Presents a visual guide to the growth processes and major gemmological spectroscopic features of synthetic diamonds.
Read MoreDr 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
Read More
Another report of a gemmology lab spotting a parcel of undisclosed synthetics has prompted renewed questions about how many synthetics may have infiltrated the gem market – and there is considerable disagreement.
Read MoreAn examination of seven CVD synthetic diamonds with an attractive pink colour.
Read MoreHigh-quality synthetic diamonds created by the Gemesis Corp. are examined and their gemmological properties are explicated.
Read More
A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.
Read More
While more people are becoming familiar with lab-grown diamonds, many still don’t know how they are actually made. Learn about the two diamond growth processes, HPHT and CVD.
Read MoreHigh-quality CVD-grown diamonds, comparable in colour and clarity to natural diamonds, can be identified using a combination of gemmological and spectroscopic properties.
Read MoreWhat exactly are man-made diamonds? Find out how they compare to natural diamonds and what you should know.
Read More
Irradiated CVD-grown diamonds are examined in the Carlsbad lab.
Read More
