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Glass imitating tourmaline GIA G&G winter 2020
Manufacturers Use Green Glass to Mimic Tourmaline
Two pieces of green glass imitating valuable tourmalines have turned up at the Gemological Institute of America (GIA) after
News Apr 12, 2021 Rapaport News
GIA treated green-yellow diamond Apr 2021
‘Peculiar’ Coloring Helps GIA Spot Treatment
The Gemological Institute of America (GIA) has identified a fancy-color diamond containing rare lines of blue, positing that
News Apr 08, 2021 Rapaport News
GCAL 8X Proportions
New Cut Grade Aims to Distinguish Best Diamonds
A US grading laboratory has introduced a new cut grade designed to differentiate higher-quality diamonds from the “excellent” score
News Mar 25, 2021 Avi Krawitz
GIA-graded diamonds
GIA Backlog Raising Concerns for Manufacturers
Customers of the Gemological Institute of America (GIA) are experiencing severe delays to grading submissions, creating worries about
News Mar 25, 2021 Joshua Freedman
GIA lab-grown diamond reports
GIA Now Giving Details of Lab-Grown Treatments
The Gemological Institute of America (GIA) has started providing specific information on post-growth treatments for synthetic diamonds,
News Mar 16, 2021 Joshua Freedman
Diamond Standard coin 140
New Diamond Coin Enters Commodity Market
Diamond Standard has launched an initial $25 million offering of new diamond coins, which can be traded on the
News Mar 14, 2021 Rapaport News
GIA Beyonce 140
Beyoncé, Lorraine Schwartz Create GIA Scholarship
Singer Beyoncé Knowles-Carter and designer Lorraine Schwartz will pay for two Black industry professionals to earn
News Feb 28, 2021 Rapaport News
GIA counterfeit inscription
Diamonds with Fake Inscriptions Turn Up at GIA
The Gemological Institute of America (GIA) has recently received “a number of” lab-grown or treated stones carrying natural-diamond
News Feb 23, 2021 Rapaport News
GIA Lab
Remote Learning the Focus of GIA 2021 Scholarships
The Gemological Institute of America (GIA) is offering $2 million in scholarships this year, with the funds available mainly
News Feb 04, 2021 Rapaport News
Rapaport Diamond Podcast
Podcast: The Transformation of Diamond Grading
Grading laboratories are widely viewed as the guardians of trust in the diamond industry, and have a long history
News Feb 01, 2021 Rapaport News
GIA moissanite with forged inscription
GIA Spots Rare Inscription Fraud in Simulant
The Gemological Institute of America (GIA) has uncovered three synthetic moissanites with forged inscriptions that fraudsters
News Jan 27, 2021 Joshua Freedman
Diversity story 140
The Struggle for Inclusion
Six months ago, BIPOC jewelry professionals put out a call for greater equality and diversity in the
News Jan 25, 2021 Leah Meirovich
WJA Susan Chandler 140
Women’s Jewelry Association Names Next President
The Women’s Jewelry Association (WJA) has chosen Susan Chandler, the chief merchandising officer for Citizen
News Jan 21, 2021 Rapaport News
Everledger Lucara 30 carat diamond
Quartet Teams Up to Verify 30-Carat Diamond
Everledger has partnered with three major industry organizations to offer traceability for a 30-carat diamond from the
News Jan 20, 2021 Rapaport News
Diamonds Do Good Rebecca Foerster 140
Alrosa US Chief to Head Diamonds Do Good
Diamonds Do Good (DDG) has named Rebecca Foerster as its new president. She will succeed Anna Martin,
News Jan 19, 2021 Rapaport News
GIA Cultured Pearl Report 140
GIA Launches Cultured Pearl Report
The Gemological Institute of America (GIA) has introduced a classification report for unmodified cultured akoya, South Sea
News Jan 13, 2021 Rapaport News
Letlapa Tala Petra new 140
The Most Buzzworthy Diamonds of 2020
Amid a challenging year for the industry, diamonds proved the coronavirus pandemic couldn’t dampen their appeal.
News Dec 30, 2020 Leah Meirovich
GIA grading report
GIA to Cut Back Antwerp Business
The Gemological Institute of America (GIA) will scale back its Antwerp operations from January, but has
News Dec 22, 2020 Joshua Freedman
T Mark
Chow Tai Fook Unveils In-House AI Grading Report
Chow Tai Fook is launching its own diamond certificates based on artificial intelligence, using a new grading scale
News Nov 03, 2020 Rapaport News
GIA lab-grown diamond reports
GIA Unveils New Lab-Grown Reports
The Gemological Institute of America (GIA) has launched its new grading reports for lab-grown diamonds, offering
News Oct 15, 2020 Rapaport News
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