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African woman working on a diamond at the polishin
‘8X’ Cut Grade Expanding to Fancy Shapes
Gem Certification & Assurance Lab (GCAL) is set to offer 8X reports for fancy shapes as it expands its service
News Apr 27, 2022 Rapaport News
Rough diamond sorting
Prices, Fraud and Grading: 2021’s Top Stories
You see what we did with that headline? Yep, anything with those words at the top (plus
News Dec 29, 2021 Joshua Freedman
GCAL Everledger 140
Everledger, GCAL Partner on Diamond Origin
Gem Certification & Assurance Lab (GCAL) will work with Everledger to share provenance and grading data
News Jul 22, 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
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
Firestar
Nirav Modi Assets Set for Vegas Auction
A selection of jewelry and intellectual property belonging to Nirav Modi’s Firestar Diamond and Fantasy businesses will be up for
News May 29, 2019 Rapaport News
James Allen synthetic
Signet Enters Lab-Grown Market
James Allen has launched sales of lab-grown diamonds, marking parent company Signet Jewelers’ entry into the
News May 05, 2019 Rapaport News
Modi Marilyn Monroe
‘Diamonds Are a Girl’s Best Friend’ Nets $50K
A brand-management company that owns the Marilyn Monroe estate has bought the trademark rights to “Diamonds Are
News Oct 23, 2018 Rapaport News
Diamond swapping
Trade ‘Blind to Diamond-Swapping Threat’
Diamond dealers are failing to protect themselves against stone-swapping, and are instead waiting until an expensive loss
News Aug 15, 2018 Joshua Freedman
Podcast Nirav Modi 150
The Rapaport Diamond Podcast: Corruption
On the heels of the alleged $2 billion Nirav Modi fraud, the Rapaport Diamond Podcast has taken a close
News Mar 26, 2018 Rapaport News
Rapaport Day at JCK Addresses 'New Realities'
The JCK Las Vegas show opened Sunday with the annual Rapaport Conference hosted by Martin Rapaport, chairman of the Rapport Group, who
News Jun 07, 2011 Ricci Dipshan
GCAL Concludes Acquisition of Gemprint and IP Assets
The Palmieri Group, founder and owner of the Gem Certification & Assurance Lab Inc. (GCAL), completed the acquisition of all business and
News May 04, 2011 Jeff Miller
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