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Diamond (2) Amber (1) Diamond - Fancy ColoUr (1)

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A row of various shaped cut and polished pink diamonds.

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Why are Pink Diamonds Pink? GIA Researchers Dive Deep into their Crystal Structure

Russell Shor, October 18, 2019

GIA researchers analysed more than 90,000 natural pink diamonds to better understand how these rare and beautiful diamonds formed and got their colour.

On the left is a 5.26 ct Fancy deep blue heart shape HPHT synthetic diamond. On the right is a 5.27 ct Fancy deep blue emerald cut HPHT synthetic diamonds.

Article

The Latest on Synthetic Diamonds

GIA, September 8, 2017

Dr James Shigley, GIA distinguished research fellow, is one of the foremost experts in diamonds and their identification. In this presentation recorded at the 2017 JCK Las Vegas show, he shares the latest developments about HPHT and CVD synthetic diamond

Experimental Studies on the Heat Treatment of Baltic Amber

Yamei Wang, Mingxing Yang, and Yiping Yang, July 25, 2014

Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewellery market.

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