GIA Applied Jewelry Professional (AJP) — Questions and Answers
Question 1: What is 'married metals' technique in jewelry design?
- Wire-wrapping multiple metal types together
- Inlaying pieces of different metals into a single flat surface (Correct answer)
- Casting two metals simultaneously
- Electroplating one metal over another
Correct answer: Inlaying pieces of different metals into a single flat surface
Married metals (also called inlay or inlaid metals) involves cutting and fitting pieces of different colored metals flush into each other to create mosaic-like patterns.
Question 2: What is a 'bezel setting' in jewelry?
- A channel of metal holding a row of stones
- Gemstones set flush into drilled holes
- A metal rim or collar surrounding and holding the gemstone (Correct answer)
- Prongs holding a gemstone from the sides
Correct answer: A metal rim or collar surrounding and holding the gemstone
A bezel setting uses a thin band of metal (the bezel) surrounding the entire perimeter of a stone and folded over its girdle to secure it, offering excellent stone protection.
Question 3: What type of setting holds gemstones in a continuous groove of metal with no prongs between each stone?
- Pave setting
- Tension setting
- Channel setting (Correct answer)
- Gypsy setting
Correct answer: Channel setting
Channel setting secures a row of gemstones between two parallel metal walls (channels), with no metal between individual stones, creating a clean, smooth appearance.
Question 4: What property describes the way a gemstone breaks along flat, planar surfaces due to its atomic structure?
- Fracture
- Tenacity
- Parting
- Cleavage (Correct answer)
Correct answer: Cleavage
Cleavage is the tendency of a mineral to break along flat planes related to its crystal structure, and is an important factor in gem cutting and setting.
Question 5: What is the main benefit of using jewelry CAD software?
- You can include text on your designs
- You can see a realistic image of the final product
- It is a faster process
- You can access your designs from any computer (Correct answer)
Correct answer: You can access your designs from any computer
While CAD offers many benefits like realistic rendering and faster processes, a significant advantage of digital files, especially with cloud-based systems, is the ability to access and work on designs remotely. This flexibility enhances collaboration and allows designers to work from various locations, improving workflow efficiency and accessibility.
Question 6: Which tumbling media produces a bright, burnished, shiny polish on metal when used in a rotary tumbler?
- Pumice chips
- Stainless steel shot (Correct answer)
- Corn cob granules
- Walnut shell pieces
Correct answer: Stainless steel shot
Stainless steel shot (a mix of balls, pins, and diagonals) burnishes metal through impact and friction, compressing the surface to produce a bright, work-hardened polish without removing material.
Question 7: What jewelry period (1920s–1930s) was known for geometric shapes, bold colors, platinum settings, and a machine-age aesthetic?
- Art Nouveau
- Modernist
- Victorian
- Art Deco (Correct answer)
Correct answer: Art Deco
Art Deco jewelry (1920s–1930s) featured geometric, angular forms inspired by Cubism and modern industry, often using contrasting stones in platinum or white gold settings.
Question 8: What historical jewelry period (1714–1830) saw the widespread use of silver set with paste, marcasite, and early paste gems as diamond substitutes?
- Victorian period
- Baroque period
- Tudor period
- Georgian period (Correct answer)
Correct answer: Georgian period
Georgian jewelry (1714–1830) frequently used silver with foil-backed paste stones, cut steel, and marcasite as affordable alternatives to diamonds for fashionable society.
Question 9: What effect does liver of sulfur (potassium polysulfide) create on silver jewelry?
- A dark brown or black patina (Correct answer)
- A bright, reflective finish
- A matte, frosted surface
- A gold-colored coating
Correct answer: A dark brown or black patina
Liver of sulfur reacts with silver to create a dark brown to black patina that adds depth and an antique character to the piece.
Question 10: What term describes jewelry made during Queen Victoria's reign (1837–1901), spanning romantic, grand, and aesthetic styles?
- Regency jewelry
- Edwardian jewelry
- Victorian jewelry (Correct answer)
- Georgian jewelry
Correct answer: Victorian jewelry
Victorian jewelry refers to the diverse range of pieces made during Queen Victoria's reign from 1837 to 1901, including Romantic, Grand, and Aesthetic sub-periods.
Question 11: Which historical jewelry period (1890–1910) was characterized by nature-inspired motifs, flowing lines, and the use of enamel and unusual stones?
- Art Deco
- Edwardian
- Victorian
- Art Nouveau (Correct answer)
Correct answer: Art Nouveau
Art Nouveau jewelry (1890–1910) emphasized organic forms from nature, sinuous lines, plique-à -jour enamel, and the use of semi-precious stones valued for color over rarity.
Question 12: What 1960s jewelry innovation, popularized by designers like Elsa Peretti and Paloma Picasso for Tiffany, is characterized by simple organic sculptural forms?
- Modernist organic design (Correct answer)
- Maximalist statement jewelry
- Psychedelic jewelry
- Op Art jewelry
Correct answer: Modernist organic design
The Modernist organic design movement of the 1960s–70s moved away from stone-dominant jewelry toward sculptural metal forms that referenced nature through abstract, flowing shapes.
Question 13: How many facets does a diamond with a round brilliant cut have?
- 50
- 45
- 58 (Correct answer)
- 60
Correct answer: 58
A standard round brilliant cut diamond is meticulously designed to have 58 facets (33 on the crown and 25 on the pavilion, including the culet). This precise arrangement maximizes the stone's brilliance, fire, and scintillation, creating its iconic and dazzling sparkle.
Question 14: Which chemical is most commonly used to etch copper and brass in jewelry making?
- Ammonia
- Sodium bicarbonate
- Ferric chloride (Correct answer)
- Liver of sulfur
Correct answer: Ferric chloride
Ferric chloride is a widely used etchant for copper and brass, dissolving exposed metal areas to create recessed designs wherever protective resist has not been applied.
Question 15: What professional organization in the US sets ethical standards and education requirements for jewelry appraisers?
- JA — Jewelers of America
- GIA — Gemological Institute of America
- ASA — American Society of Appraisers and AAA — American Society of Jewelry Appraisers (Correct answer)
- AGS — American Gem Society
Correct answer: ASA — American Society of Appraisers and AAA — American Society of Jewelry Appraisers
The American Society of Appraisers (ASA) and the American Society of Jewelry Appraisers (ASJA) set professional and ethical standards for credentialed jewelry appraisers in the US.
Question 16: What does it mean to 'check the seat' before setting a stone?
- Confirming the stone will sit level, secure, and at the correct height in the setting (Correct answer)
- Ensuring the metal has been properly annealed
- Verifying the prongs are straight
- Testing if the stone is the correct carat weight
Correct answer: Confirming the stone will sit level, secure, and at the correct height in the setting
Checking the seat involves placing the stone in the setting before final securing to verify it sits level, does not rock, and the table is at the correct height above the metal.
Question 17: Edwardian jewelry (1901–1915) is characterized by which dominant metal?
- Rose gold
- Silver
- Platinum (Correct answer)
- Yellow gold
Correct answer: Platinum
Platinum became the preferred metal in Edwardian jewelry because its strength allowed very delicate lacy settings with minimal metal, showcasing diamonds in airy, white, feminine designs.
Question 18: Which of the following is NOT a variety of corundum?
- Ruby
- Emerald (Correct answer)
- Sapphire
- Padparadscha
Correct answer: Emerald
Emerald is a variety of beryl, while ruby, sapphire, and padparadscha are all varieties of the mineral corundum.
Question 19: In jewelry design, what does the term 'pavé setting' refer to?
- A channel of stones set in a straight line
- A bezel that fully encircles a stone
- Small stones set closely together covering a surface (Correct answer)
- A single large gemstone mounted on prongs
Correct answer: Small stones set closely together covering a surface
Pavé setting involves setting many small stones close together with minimal visible metal, creating a 'paved' surface of gems.
Question 20: A designer wants to create a piece with a matte, non-reflective finish on silver. Which finishing technique should they use?
- Polishing with rouge compound
- Sandblasting or brushing with a wire wheel (Correct answer)
- Electroplating with rhodium
- Burnishing with a steel tool
Correct answer: Sandblasting or brushing with a wire wheel
Sandblasting or wire brushing creates a uniform matte texture by abrading the surface, scattering light rather than reflecting it.
Question 21: Which precious metal is most resistant to tarnish and corrosion and is used in fine jewelry for its durability?
- White gold
- Platinum (Correct answer)
- Sterling silver
- Palladium
Correct answer: Platinum
Platinum is extremely resistant to tarnish and corrosion, and its density and durability make it the most secure metal for holding precious gemstones.
Question 22: What certification is offered by the Gemological Institute of America (GIA) for gemologists?
- CGS — Certified Gem Specialist
- CGA — Certified Gemstone Appraiser
- GG — Graduate Gemologist (Correct answer)
- FGA — Fellow of the Gemmological Association
Correct answer: GG — Graduate Gemologist
The GIA Graduate Gemologist (GG) designation is the most internationally recognized gemology credential, covering gem identification, grading, and diamond quality assessment.
Question 23: What is the standard unit of measurement used to describe the thickness of gold plating on jewelry?
- Nanometers
- Carats
- Millimeters
- Microns (micrometers) (Correct answer)
Correct answer: Microns (micrometers)
Gold plating thickness is measured in microns (micrometers, µm), with heavy gold plating (HGP) requiring at least 2.5 microns of gold per FTC guidelines.
Question 24: What is a 'parure' in the context of historical jewelry?
- A matched set of jewelry pieces designed to be worn together (Correct answer)
- A type of decorative clasp
- A single statement brooch
- A style of gem cutting
Correct answer: A matched set of jewelry pieces designed to be worn together
A parure is a complete matched set of jewelry—typically necklace, earrings, brooch, and bracelet—made in the same design, popular from the 18th through 19th centuries.
Question 25: According to FTC guidelines in the US, what is the minimum gold plating thickness required for jewelry to be sold as gold vermeil?
- At least 10 microns of gold over fine silver
- At least 2.5 microns of gold over sterling silver (Correct answer)
- At least 0.5 microns of gold over sterling silver
- At least 5.0 microns of gold over any base metal
Correct answer: At least 2.5 microns of gold over sterling silver
FTC guidelines define gold vermeil as sterling silver plated with at least 2.5 microns of gold that is at least 10 karat in purity.
Question 26: Which gemstone is known for the 'cat's eye' chatoyancy effect most prized in the jewelry trade?
- Tourmaline
- Quartz
- Chrysoberyl (Correct answer)
- Alexandrite
Correct answer: Chrysoberyl
Chrysoberyl cat's eye is the most prized chatoyant gem; when jewelers say 'cat's eye' without qualification, they mean chrysoberyl.
Question 27: Which early 20th-century movement, linked to William Morris, emphasized handcraftsmanship and natural materials as a reaction against industrialization?
- Art Deco movement
- Arts and Crafts movement (Correct answer)
- Constructivist movement
- Bauhaus movement
Correct answer: Arts and Crafts movement
The Arts and Crafts movement (1880s–1920s) championed hand-made jewelry using semi-precious stones, enamel, and base metals over mass-produced Victorian commercial jewelry.
Question 28: What is the name for the category of gemstones that includes diamonds, rubies, sapphires, and emeralds?
- Semi-precious stones
- Ornamental stones
- Precious stones (Correct answer)
- Mineral gems
Correct answer: Precious stones
Diamonds, rubies, sapphires, and emeralds are traditionally classified as precious stones, while all other gemstones are often called semi-precious.
Question 29: What is 'mokume-gane' in jewelry making?
- A Japanese laminated metal technique creating wood-grain patterns (Correct answer)
- A Chinese technique of weaving gold and silver wires
- A Korean method of applying enamel to cloisonné wire
- A Thai style of repoussé using bamboo punches
Correct answer: A Japanese laminated metal technique creating wood-grain patterns
Mokume-gane is a Japanese metalworking technique where layers of different metals are fused and manipulated to reveal swirling, wood-grain-like patterns.
Question 30: What is the 'Kimberley Process Certification Scheme' in the diamond industry?
- A GIA certification for mine-of-origin diamond tracing
- A US government quality control program for imported gems
- An international certification system to prevent trade in conflict diamonds (Correct answer)
- A gemological grading standard for colored stones
Correct answer: An international certification system to prevent trade in conflict diamonds
The Kimberley Process is an international certification scheme established in 2003 to prevent 'conflict diamonds' (used to finance rebel wars) from entering legitimate diamond markets.
Question 31: In the lost-wax casting process, what replaces the wax model?
- Molten metal (Correct answer)
- Plaster
- Sand
- Resin
Correct answer: Molten metal
In lost-wax casting, the wax model is burned out of the investment mold, leaving a cavity that is then filled with molten metal to create the final piece.
Question 32: What is an 'appraisal' in the jewelry industry, and what is its primary legal purpose in the US?
- A government-issued certificate of metal purity
- A professional written valuation documenting a piece for insurance or estate purposes (Correct answer)
- A grading report from a gemological laboratory
- A certificate proving a gem is natural
Correct answer: A professional written valuation documenting a piece for insurance or estate purposes
A jewelry appraisal is a written document by a certified appraiser estimating a piece's replacement or fair market value, primarily used for insurance coverage or estate settlement.
Question 33: In a prong or claw setting, what is the minimum number of prongs typically used to secure a round brilliant diamond?
- 3
- 6
- 4 (Correct answer)
- 2
Correct answer: 4
A minimum of four prongs is used to secure a round brilliant cut diamond in a prong setting, though six-prong 'Tiffany' settings are also very common.
Question 34: Which treatment is most commonly applied to emeralds to improve their clarity?
- Heat treatment
- Irradiation
- Fracture sealing with glass
- Oil or resin filling (Correct answer)
Correct answer: Oil or resin filling
Emeralds are routinely filled with cedar oil or synthetic resin to reduce the visibility of surface-reaching fractures, a widely accepted trade practice.
Question 35: What is the name for the coloring process that uses liver of sulfur to darken silver jewelry?
- Gilding
- Niello
- Patination (Correct answer)
- Oxidizing
Correct answer: Patination
Patination refers to intentionally creating a surface color change on metal; liver of sulfur is the most common patinating agent used to oxidize and darken silver.
Question 36: In diamond setting, what is the danger of using a setting that is too shallow for the stone's pavilion?
- The metal will discolor the stone
- The stone will appear too large for the setting
- The stone will not be secure and can fall out (Correct answer)
- The prongs will be too short to bend
Correct answer: The stone will not be secure and can fall out
If the setting is too shallow, the stone's pavilion will not be properly supported and the prongs or bezel cannot grip the stone correctly, risking loss of the stone.
Question 37: What is a 'pavé' setting?
- A large single stone set in high relief
- A flat-surface inlay of stones
- Many small stones set close together with tiny prongs or beads, covering the surface (Correct answer)
- Stones set in a grid pattern with shared prongs
Correct answer: Many small stones set close together with tiny prongs or beads, covering the surface
Pavé setting uses many small gemstones set very close together and held by tiny bead-prongs, covering the metal surface so densely it appears 'paved' with stones.
Question 38: What term describes the revival of ancient Greek and Etruscan jewelry styles popular during the mid-to-late 1800s?
- Egyptian Revival
- Archaeological Revival (Correct answer)
- Gothic Revival
- Renaissance Revival
Correct answer: Archaeological Revival
Archaeological Revival jewelry (c. 1860s–1890s) reproduced ancient Greek, Etruscan, and Roman jewelry forms using historically accurate techniques, popularized by makers like Castellani.
Question 39: Which pickle solution is considered the safest and most environmentally friendly option for a jewelry studio or home workshop?
- Sulfuric acid
- Hydrochloric acid
- Nitric acid
- Sodium bisulfate (sold as Sparex or pH Down) (Correct answer)
Correct answer: Sodium bisulfate (sold as Sparex or pH Down)
Sodium bisulfate (Sparex) is the preferred studio pickle because it is far safer than mineral acids, works effectively at room or warm temperatures, and is more practical to neutralize and dispose of.
Question 40: Which gemstone hardness scale is universally used in jewelry to rate scratch resistance?
- Brinell Scale
- Mohs Scale (Correct answer)
- Rockwell Scale
- Vickers Scale
Correct answer: Mohs Scale
The Mohs Scale rates mineral hardness from 1 (talc) to 10 (diamond) and is the standard reference in gemology and jewelry.
Question 41: What is 'ethical sourcing' in the context of modern US jewelry business practices?
- Ensuring materials are obtained with minimal environmental impact and fair labor practices (Correct answer)
- Purchasing gems and metals only from domestic US sources
- Buying only recycled or reclaimed materials
- Sourcing exclusively from certified organic farms
Correct answer: Ensuring materials are obtained with minimal environmental impact and fair labor practices
Ethical sourcing in jewelry means verifying that gems and metals are obtained without exploiting labor, funding conflict, or causing excessive environmental damage throughout the supply chain.
Question 42: What does 'planishing' a metal surface accomplish?
- Creates a deliberate texture by striking with a peen hammer
- Applies a chemical darkening agent to create contrast
- Removes metal by grinding with an abrasive wheel
- Smooths and hardens metal by compressing surface irregularities with a polished hammer (Correct answer)
Correct answer: Smooths and hardens metal by compressing surface irregularities with a polished hammer
Planishing uses a highly polished hammer and stake to compress and smooth raised metal, removing hammer marks and work-hardening the surface simultaneously.
Question 43: In a shared prong (or shared claw) setting, what distinguishes it from a standard prong setting?
- A single prong is shared between two adjacent stones (Correct answer)
- Prongs are replaced by a continuous bezel
- Each stone has its own individual prongs
- It uses twice as many prongs per stone
Correct answer: A single prong is shared between two adjacent stones
In a shared prong setting, one prong is positioned between two adjacent stones and holds both simultaneously, reducing metal and increasing stone visibility.
Question 44: What is 'work hardening' in the context of jewelry metal finishing?
- Applying a hardening chemical solution to the metal
- Using hard abrasive tools to polish the surface
- Heating metal to increase its hardness permanently
- The progressive hardening and embrittlement of metal caused by repeated mechanical manipulation (Correct answer)
Correct answer: The progressive hardening and embrittlement of metal caused by repeated mechanical manipulation
Work hardening occurs when repeated bending, hammering, or forming compresses and dislocates the metal's crystal structure, making it progressively harder and more brittle until annealing is performed.
Question 45: What is 'bright cutting' in the context of stone setting?
- Cutting highly polished facets into the metal adjacent to set stones (Correct answer)
- Using high-powered lasers to cut metal
- A method of cutting stones for channel settings
- Polishing stones to a high shine
Correct answer: Cutting highly polished facets into the metal adjacent to set stones
Bright cutting is an engraving technique where polished, angled facets are cut into the metal walls of a setting to create sparkle that enhances the appearance of set stones.
Question 46: What is the main advantage of using argentium silver over traditional sterling silver in jewelry making?
- Argentium silver requires no soldering flux when joining
- Argentium silver contains more pure silver than sterling
- Argentium silver is significantly more tarnish-resistant due to its germanium content (Correct answer)
- Argentium silver is harder and cannot be scratched
Correct answer: Argentium silver is significantly more tarnish-resistant due to its germanium content
Argentium silver replaces some copper in the sterling alloy with germanium, which forms a germanium oxide layer that resists tarnishing far better than standard sterling.
Question 47: The color-change property of alexandrite—green in daylight and red in incandescent light—is due to what element?
- Chromium (Correct answer)
- Iron
- Vanadium
- Manganese
Correct answer: Chromium
Chromium is the trace element responsible for alexandrite's dramatic color change, absorbing different wavelengths depending on the light source.
Question 48: Which René Lalique technique creates translucent enamel supported only by delicate metal framework, resembling stained glass?
- Plique-Ă -jour (Correct answer)
- Champlevé
- Guilloché
- Cloisonné
Correct answer: Plique-Ă -jour
Plique-Ă -jour enamel is a technique where enamel is applied to a temporary backing that is later removed, leaving transparent enamel cells suspended only by metal framework.
Question 49: Which chain style is the strongest and most resistant to kinking or breaking?
- Snake chain
- Figaro chain
- Rope chain (Correct answer)
- Box chain
Correct answer: Rope chain
Rope chains consist of twisted oval links that distribute stress along the full length, making them highly resistant to breakage from pulling or kinking.
Question 50: What is 'filigree' in jewelry making?
- Delicate openwork made from fine twisted wire (Correct answer)
- A surface engraving method
- A method of applying enamel
- A casting technique using rubber molds
Correct answer: Delicate openwork made from fine twisted wire
Filigree is an ancient metalworking technique that uses thin, twisted precious metal wires soldered into delicate lacy patterns, often with granules.
Question 51: In the US jewelry trade, what does 'vermeil' refer to?
- An antique gilding technique using mercury
- Gold-plated sterling silver meeting FTC minimum thickness requirements (Correct answer)
- A type of synthetic ruby
- A French term for any gold-colored jewelry
Correct answer: Gold-plated sterling silver meeting FTC minimum thickness requirements
Under FTC guidelines, vermeil is sterling silver electroplated with at least 10-karat gold to a minimum thickness of 2.5 microns, offering better quality than standard gold-plated brass.
Question 52: What is an 'illusion setting' designed to achieve?
- Making a small stone appear larger through a mirrored metal plate around it (Correct answer)
- Creating a color illusion by surrounding a stone with contrasting gems
- Hiding the stone until a lever is pressed
- Making the stone appear to float above the ring
Correct answer: Making a small stone appear larger through a mirrored metal plate around it
An illusion setting uses a raised, bright-cut faceted metal plate (often star-shaped) surrounding a small diamond to make it appear larger than its actual size.
Question 53: Which synthetic gemstone was created by the Verneuil flame fusion process and is commonly used as a diamond simulant?
- Cubic zirconia
- Synthetic corundum (Correct answer)
- Synthetic moissanite
- YAG
Correct answer: Synthetic corundum
Synthetic corundum (sapphire and ruby) was the first gemstone produced commercially using Verneuil's flame fusion process developed around 1902.
Question 54: What is the chemical composition of diamond?
- Calcium carbonate (CaCO3)
- Aluminum oxide (Al2O3)
- Silicon dioxide (SiO2)
- Pure carbon (C) (Correct answer)
Correct answer: Pure carbon (C)
Diamond is composed entirely of carbon atoms arranged in a crystal lattice, making it the hardest known natural material.
Question 55: Reticulation is a surface treatment technique that produces what kind of effect on metal?
- An organic, wrinkled texture on the surface (Correct answer)
- A uniform colored enamel layer
- A smooth, mirror-like finish
- A grid of evenly spaced dimples
Correct answer: An organic, wrinkled texture on the surface
Reticulation involves heating a specially prepared silver alloy to near its melting point, causing the surface layer to flow and wrinkle into a distinctive organic texture.
GIA Applied Jewelry Professional (AJP)
The GIA Applied Jewelry Professional certification tests knowledge of jewelry essentials including precious metals, gemstones, diamond quality, jewelry history, manufacturing methods, and professional business practices.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds