CBJ Study Guide 2026
Everything you need to pass the CBJ exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
CBJ exam key facts
- The Certified Bench Jeweler written exam is a one-hour timed exam that must be taken in one sitting. Source
- The Certified Bench Jeweler written exam and practical bench tests each require a minimum grade of 75% to pass. Source
- The Jewelers of America Certified Bench Jeweler registration and online written exam cost $475 for JA members and $575 for non-members. Source
📋 CBJ Exam Format at a Glance
📚 CBJ Topics to Study (24)
✍️ Sample CBJ Questions & Answers
1. Which gold alloy exhibits a greenish hue due to a high silver content?
Green gold, historically called electrum, is alloyed with a high percentage of silver, which imparts a greenish tint.
2. What does a 'satin finish' look like on jewelry?
A satin finish is achieved by brushing or abrading the metal to produce a soft, uniform, non-reflective sheen.
3. What is a key responsibility of a Master Bench Jeweler?
A Master Bench Jeweler typically possesses extensive experience and a high level of skill, making them invaluable in a leadership role. A key responsibility is to oversee the work of less experienced jewelers, providing guidance, training, and mentorship. They ensure quality craftsmanship, troubleshoot complex repairs, and help develop the next generation of skilled bench jewelers.
4. What is the best approach when encountering a novel situation in practice?
Novel situations require applying foundational knowledge, consulting available resources, and seeking expert guidance when needed.
5. What is work hardening in metalworking?
Work hardening occurs when repeated bending or hammering disrupts the metal's crystal structure, making it harder and less ductile.
6. A pave-set stone is sitting too high above its seat. The most appropriate corrective action is to:
A bearing cutter removes metal precisely to deepen the seat so the stone sits at the proper height for secure setting.
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What Practice Test Geeks adds beyond an AI chat for CBJ
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length CBJ mock exam — 100 questions in 60 minutes with a 75% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed CBJ question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable CBJ cheat sheet you can print or save as a PDF.
- CBJ flashcards built from the same question bank.
- Free CBJ practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- jewelers.org — Test delivery, eligibility, fees, passing score, retake fee, retake policy, score release, time limit · verified Oct 2026