Largest Blue HPHT Synthetic Diamond
Analysis of a 5.03 ct HPHT-grown blue synthetic diamond, the largest ever examined by GIA.
Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics
G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
A Larger, Higher-Quality NPD Synthetic Diamond
GIA’s New York laboratory recently detected an undisclosed NPD synthetic diamond, a 1.51 ct Fancy Black round.
Pseudo-synthetic growth structure observed in natural diamond
This stone was a good example of a very rare natural diamond exhibiting synthetic growth characteristics.