DCA Study Guide 2026
Everything you need to pass the DCA 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.
DCA exam key facts
- The Diamond Course final exam from the Diamond Council of America consists of 75 multiple-choice questions covering the entire course. Source
- The Diamond Council of America's Diamond Course quizzes and final exam are not timed and can be completed at the student's own pace. Source
- The minimum grade target for the Diamond Council of America Diamond Course final exam is 75%. Source
- Each Diamond Council of America student receives one year to complete an individual course such as the Diamond Course. Source
📋 DCA Exam Format at a Glance
📚 DCA Topics to Study (31)
✍️ Sample DCA Questions & Answers
1. When educating a sales team on ethical sourcing, which statement about the Kimberley Process is accurate?
The KP is a government-administered scheme with the specific, limited goal of preventing rough conflict diamonds from entering legal commerce.
2. A diamond with a 'thick' girdle is considered problematic because it:
An excessively thick girdle adds weight to the diamond without meaningfully increasing its face-up appearance, effectively making the diamond cost more per carat than it looks.
3. After a customer has made a purchase, which post-sale action is MOST important for building long-term loyalty?
A personalized post-sale follow-up reinforces the customer's confidence in their purchase and opens the door to a long-term service relationship that drives referrals and repeat visits.
4. What is the appropriate response to witnessing unethical conduct by a colleague?
Reporting through established channels with proper documentation follows professional obligations to protect public welfare while ensuring due process.
5. How should equipment maintenance records be maintained?
Detailed maintenance logs with dates, actions, and technician identification provide accountability, support troubleshooting, and demonstrate regulatory compliance.
6. What is the appropriate retention period for professional records?
Record retention must follow state/federal laws and professional licensing requirements, which typically specify minimum retention periods for different record types.
🎯 Free DCA Practice Tests
📖 DCA Guides & Articles
What Practice Test Geeks adds beyond an AI chat for DCA
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 DCA mock exam — 100 questions in 90 minutes with a 70% 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 DCA 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 DCA cheat sheet you can print or save as a PDF.
- DCA flashcards built from the same question bank.
- Free DCA 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
- dcalearning.org — Test delivery, exam format, passing score, retake fee, retake policy, time limit, score validity · verified Oct 2026