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8 小时
EXCLUSIVE: The Gemological Institute of America’s CEO Susan Jacques Talks Diamonds ...
Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...
INSTOREMAG
4 天
How to Verify GIA Graded Diamonds
Millions of diamonds are graded in GIA Laboratories annually. However, more and more counterfeit diamonds have shown up in ...
来自MSN
16 小时
The Complete Guide to Diamond Cut
As the classic campaign slogan goes, “A diamond is forever.” You’ll wear your engagement ring for the rest of your life, so ...
INSTOREMAG
14 天
Protect Your Customers and Your Business
Protect Your Customers and Your Business One of the most pressing challenges facing the diamond industry is the risk of ...
IDEX Online
9 天
Downturn Forces GIA to Close Israel Lab
(IDEX Online) - GIA is to close its lab in Ramat Gan, Israel, saying it is no longer "financially sustainable". The facility, ...
Professional Jeweller
8 天
GIA unveils Fall 2024 issue of Gems & Gemology
The Gemological Institute of America (GIA) has revealed the Fall 2024 issue of Gems & Gemology (G&G). The Fall issue takes a focus on the implications of recent findings on oval, pear and ...
IDEX Online
10 天
Brown Band in Lab Grown is a Growth Remnant
They say it looks graining in a natural diamond (a defect in the diamond's crystal structure) but is actually a "growth ...
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