# CDG - Certified Diamond Grader — Practice Test Geeks
# https://practicetestgeeks.com/llms/cdg-certified-diamond-grader.txt
# Updated: 2026-06-03

> Free CDG - Certified Diamond Grader practice tests and study guides. Pass your Mastering the CDG (Certified Diamond exam on the first attempt. Practice questions with detailed answer explanations, hints, and instant scoring. Language: English. Region: US.

## Overview

- **Category**: CDG - Certified Diamond Grader
- **Main page**: https://practicetestgeeks.com/certified-diamond-grader-certification
- **Language**: English | **Region**: US
- **Practice tests**: 25 tests, 183 questions total
- **Exam simulation**: Full-length 100-question timed exam (120 min, 75% pass mark)
- **Study guides / articles**: 2 published

## Exam Simulations (Full-Length, Timed, Scored)

Simulates real exam conditions: question count, time limit, passing score, domain weighting.

- [Certified Diamond Grader (CDG) Exam](https://practicetestgeeks.com/cdg/exam) — 100 questions, 120 min, 75% pass
  The Certified Diamond Grader (CDG) exam certifies an individual's ability to accurately grade and evaluate diamonds based on the 4Cs (Carat, Cut, Colo

## Practice Tests (25 available)

- [CDG Industry Ethics & Market Knowledge 1](https://practicetestgeeks.com/free-cdg-industry-ethics-market-knowledge-questions-and-answers) (9 questions)
- [CDG Gemology & Mineralogy Fundamentals 1](https://practicetestgeeks.com/free-cdg-gemology-mineralogy-fundamentals-questions-and-answers) (9 questions)
- [CDG Diamond Grading & Evaluation Techniques 1](https://practicetestgeeks.com/free-cdg-diamond-grading-evaluation-techniques-questions-and-answers) (9 questions)
- [CDG Diamond Cutting & Polishing Standards 1](https://practicetestgeeks.com/free-cdg-diamond-cutting-polishing-standards-questions-and-answers) (9 questions)
- [CDG Diamond Grading & Evaluation Techniques 2](https://practicetestgeeks.com/cdg/questions/diamond-grading-evaluation-techniques-2) (7 questions)
- [CDG Diamond Grading & Evaluation Techniques 3](https://practicetestgeeks.com/cdg/questions/diamond-grading-evaluation-techniques-3) (7 questions)
- [CDG Diamond Pricing & Valuation 2](https://practicetestgeeks.com/cdg/questions/diamond-pricing-valuation-2) (7 questions)
- [CDG Diamond Cutting & Polishing Standards 3](https://practicetestgeeks.com/cdg/questions/diamond-cutting-polishing-standards-3) (7 questions)
- [CDG Diamond Pricing & Valuation 1](https://practicetestgeeks.com/cdg/questions/diamond-pricing-valuation) (7 questions)
- [CDG Diamond Cutting & Polishing Standards 4](https://practicetestgeeks.com/cdg/questions/diamond-cutting-polishing-standards-4) (7 questions)
- [CDG Technology & Digital Tools 2](https://practicetestgeeks.com/cdg/questions/technology-digital-tools-2) (7 questions)
- [CDG Technology & Digital Tools 3](https://practicetestgeeks.com/cdg/questions/technology-digital-tools-3) (7 questions)
- [CDG Gemology & Mineralogy Fundamentals 2](https://practicetestgeeks.com/cdg/questions/gemology-mineralogy-fundamentals-2) (7 questions)
- [CDG Gemology & Mineralogy Fundamentals 3](https://practicetestgeeks.com/cdg/questions/gemology-mineralogy-fundamentals-3) (7 questions)
- [CDG Quality Control & Process Improvement 2](https://practicetestgeeks.com/cdg/questions/quality-control-process-improvement-2) (7 questions)
- [CDG Diamond Cutting & Polishing Standards 2](https://practicetestgeeks.com/cdg/questions/diamond-cutting-polishing-standards-2) (7 questions)
- [CDG Research Methods & Evidence-Based Practice 3](https://practicetestgeeks.com/cdg/questions/research-methods-evidence-based-practice-3) (7 questions)
- [CDG Quality Control & Process Improvement 3](https://practicetestgeeks.com/cdg/questions/quality-control-process-improvement-3) (7 questions)
- [CDG Industry Ethics & Market Knowledge 2](https://practicetestgeeks.com/cdg/questions/industry-ethics-market-knowledge-2) (7 questions)
- [CDG Industry Ethics & Market Knowledge 3](https://practicetestgeeks.com/cdg/questions/industry-ethics-market-knowledge-3) (7 questions)
- [CDG Professional Standards & Competencies 2](https://practicetestgeeks.com/cdg/questions/professional-standards-competencies-2) (7 questions)
- [CDG Professional Standards & Competencies 3](https://practicetestgeeks.com/cdg/questions/professional-standards-competencies-3) (7 questions)
- [CDG Professional Standards & Competencies 4](https://practicetestgeeks.com/cdg/questions/professional-standards-competencies-4) (7 questions)
- [CDG Case Analysis & Practical Application 2](https://practicetestgeeks.com/cdg/questions/case-analysis-practical-application-2) (7 questions)
- [CDG Research Methods & Evidence-Based Practice 2](https://practicetestgeeks.com/cdg/questions/research-methods-evidence-based-practice-2) (7 questions)

## Articles & Study Guides

- [Mastering the CDG (Certified Diamond Grader) Certification: A Complete Guide](https://practicetestgeeks.com/certified-diamond-grader-certification)

## Reference Pages

- [CDG Practice Test PDF (Free Printable 2026)](https://practicetestgeeks.com/cdg/cdg-practice-test-pdf)

## About Practice Test Geeks

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