Tag Archives: diamond grading

Fancy-shape diamond cut grading added to gem lab’s offerings

September 2, 2022

Providing jewellers with the information required to satisfy consumers’ evolving diamond expectations is the driving force behind the latest offering from the International Gemological Institute (IGI).

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8X diamond cut grade expands into fancy shapes

July 4, 2022

Providing jewellery retailers with the information required to enhance consumer confidence is the driving force behind the Gem Certification & Assurance Lab’s (GCAL’s) latest offering.

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Canadian appraisal platform partners with GCAL

November 15, 2021

Instappraise has announced a diamond grading certificate database integration with Gem Certification and Assurance Lab (GCAL).

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Lab-grown diamond grading gets specific

August 14, 2020

Ensuring public trust in gems and jewellery is the goal of Gemological Institute of America’s (GIA’s) recent change to its lab-grown diamond reporting.

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First synthetic ‘all diamond’ ring graded in Antwerp

February 19, 2019

Dutch Diamond Technologies (DD) recently unveiled the world’s first ring made entirely from a chemical vapour deposition (CVD) lab-grown diamond.

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Brown diamond grading to be offered by AGS Laboratories

April 19, 2018

The nonprofit American Gem Society (AGS) Laboratories has announced an expansion to its diamond grading capabilities. It will now grade brown diamonds as well as their white counterparts.

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AGS Laboratories: Protecting consumer confidence one diamond at a time

September 28, 2016

The first time Jason Quick laid eyes on the Esperanza diamond, he was awestruck by the way light moved through the rough crystal. It was love at first sight, as he puts it, a once-in-a-lifetime encounter with the 8.52-carat diamond unearthed at Arkansas’ Crater of Diamonds State Park.

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GIA launches automated melee screening service

June 2, 2016

Gemological Institute of America (GIA) say it has developed a fully automated system to rapidly and accurately analyze and sort round D-to-Z melee-size diamonds.

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Rapaport to issue diamond grading reports

February 23, 2016

Rapaport Group is launching a new diamond grading report that will only be issued for the crÃ¨me de la crÃ¨me of diamonds.

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Hundreds of diamonds with invalidated GIA reports still in circulation

November 26, 2015

Only 175 of the 1042 diamonds with altered reports have been returned to Gemological Institute of America (GIA) following news its database had been hacked and grading reports altered.

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