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GIA Diamonds and Diamond Grading 10-12 Exam Questions with 100% Correct Answers | Verified | Latest Update

Diamonds were delivered to the earth's surface as recently as A. 20 billion years ago. B. 20 million years ago. C. 1 million years ago. D. 10,000 years ago. - Answer-B. 20 million years ago. The three main components of the earth are the crust, mantle, and A. core. B. center. C. stratosphere. D. subduction zone. - Answer-A. core. How far beneath the earth's surface do diamonds form? A. 15 to 30 miles (25 to 50 kilometers) B. 30 to 50 miles (50 to 75 kilometers) C. ...

GIA Diamonds And Diamond Grading Final Exam #2 Questions With 100% Correct Answers | Latest Version (2024/2025) Expert Verified

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The inclusion called bearding consists of tiny A. knots. B. needles. C. feathers. D. grain lines. - Answer-C. feathers. With darkfield illumination, light is directed into the stone from A. below. B. above. C. the side. D. all directions. - Answer-C. the side. Inclusions are easier to see using A. ultraviolet light. B. darkfield illumination. C. overhead spot lighting. D. overhead fluorescent lighting. - Answer-B. darkfield illumination. A solid mineral body e...

GIA DIAMONDS AND DIAMOND GRADING EXAM 1 NEWEST ACTUAL EXAM COMPLETE 180 QUESTIONS AND CORRECT DETAILED ANSWERS,,Alpha

GIA Diamonds and Diamond Grading Final Exam; Questions & Answers 100% Solved Substantial price discounts are available to retailers and jewelry manufacturers who Correct answer-can buy in large quantities. The diamond industry has changed dramatically in recent years because Correct answerthe world's supply of diamond rough has increased. A diamond grading system provides Correct answer-a consistent way to communicate diamond quality. Diamond's supreme hardness and durability are C...

GIA DIAMONDS AND DIAMOND GRADING FINAL EXAM NEWEST ACTUAL EXAM COMPLETE 180 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

GIA Diamond & Diamond Grading Exam - Questions and Answers (Complete Solutions) A diamond grading system provides a consistent way to communicate diamond quality A wholesaler is someone who sells to retailers Diamond prices on wholesale price lists depend on the market conditions that exist when the lists are published Large, high-quality diamonds are graded much more thoroughly than small, low-quality ones Diamond's supreme hardness and durability are a result of the conditions under which i...

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