DCA Cheat Sheet 2026

The 30 highest-yield DCA facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which type of ring setting holds a diamond using four or six thin metal prongs? → Prong setting
2. What is the primary purpose of maintaining accurate professional documentation? → To create a legal record of services and support continuity of care
3. How should a Certified Diamond Council of America Diamond Specialist professional handle situations beyond their expertise? → Refer to a qualified specialist and communicate transparently with the client
4. Why is it important to use high-quality materials in jewelry repair? → To maintain the jewelry's quality and longevity
5. What is a 'halo setting' in engagement ring design? → A ring of small diamonds surrounding the center stone
6. The Yehuda process is a well-known proprietary method for which type of diamond treatment? → Fracture filling
7. What is the appropriate response to witnessing unethical conduct by a colleague? → Report the conduct through established channels and document observations
8. What notation does a GIA grading report use to indicate that a diamond has undergone fracture filling? → GIA does not grade fracture-filled diamonds and returns them without a report
9. What is the most important principle in professional Certified Diamond Council of America Diamond Specialist practice? → Maintaining competence through continuous learning and adherence to standards
10. What is the significance of the C.I.T.I.E.S. agreement for diamond trade? → It ensures that diamond trade does not harm endangered ecosystems
11. What is clarity in diamond grading? → The diamond's clarity, or lack of imperfections
12. How should Certified Diamond Council of America Diamond Specialist professionals approach quality improvement? → Through systematic evaluation of outcomes and implementation of evidence-based changes
13. What does diamond certification ensure? → It confirms that the diamond meets industry standards for quality
14. What is the role of active listening in customer service? → It ensures that the customer feels heard and valued
15. Why is it essential to check for scratches on a diamond during repair? → To maintain the diamond’s visual appeal and quality
16. How should Certified Diamond Council of America Diamond Specialist professionals approach quality improvement? → Through systematic evaluation of outcomes and implementation of evidence-based changes
17. Which cutting style features long, rectangular facets arranged in parallel rows? → Step cut
18. How do treated diamonds generally compare to untreated diamonds of similar apparent quality in terms of resale or trade-in value? → Treated diamonds typically sell for less than untreated stones of similar apparent grade
19. In a round brilliant cut, what are 'kite-shaped' facets on the crown called? → Bezel facets
20. What constitutes a boundary violation in professional practice? → Engaging in dual relationships that could impair professional judgment
21. Why is it important to build rapport with customers in the diamond industry? → It helps create a long-term relationship and future sales
22. What role does documentation play in Certified Diamond Council of America Diamond Specialist professional practice? → It creates accountability, supports decision-making, and provides legal protection
23. Why is staying current with industry developments important for Certified Diamond Council of America Diamond Specialist professionals? → To provide the best possible service using current knowledge and practices
24. Why is product knowledge important in sales? → It ensures that customers are fully informed and can make confident decisions
25. What is an 'eternity band' in ring jewelry? → A band with diamonds or gemstones set all the way around the ring
26. How can advanced jewelry design techniques improve the overall aesthetics of a diamond ring? → By using intricate designs and settings to improve the aesthetics
27. What is the primary concern with fracture-filled diamonds when a customer brings jewelry in for repair? → High heat from torch work can damage or destroy the filler material
28. What must be completed before using any specialized equipment? → Verify proper calibration and review safety procedures
29. What is a 'princess cut' diamond? → A square or rectangular brilliant cut with pointed corners
30. Why is customer segmentation important for market strategy? → It enables targeted approaches that address specific needs of different groups