De Beers Lightbox Cuts Prices

De Beers has announced its LGD line Lightbox is lowering prices of its offering from the initial US$800/ct and US$1500/ct for high colors, and adds "batch grading" reports from GIA based on sample grading. New Lightbox pricing (up to -40% from previous pricing) is lower than most lab-grown retail prices, JCK reports.


• I-J color, VS, very good cut: US$500/ct
• G-H color, VS, very good cut: US$600/ct
• D-E-F color, VS, excellent cut: US$900/ct

Photo credit: Lightbox



Botswana Government Announces 24% Stake Hold Investment in HB Antwerp

On 27 March, HB Antwerp officially opened the doors of HB Botswana, the company’s first branch outside Antwerp. During the inauguration ceremony, H.E. Dr. Mokgweetsi E.K. Masisi, President of Botswana, announced a strategic partnership between the Government of Botswana and HB Antwerp whereby the Government will invest in HB by acquiring a 24% equity stake in HB Antwerp.

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Antwerp Diamond Polishers Develop Device That Uses AI to Grade Colored Stones

Chroma Diamonds founded by Alexander Appels and Jan De Henau is a relatively new company in the Antwerp diamond district, which specializes in colored diamonds. Stymied by the relatively “subjective process of color grading”, the 2 have set out on a mission to develop a device that provides more objective measurements for the grading of colored stones.


ASDI-500 Tech Signifies a New Path to Diamond Transparency: Separating LGDs From Natural Stones

Jewelry trade publications such as JCK are reporting ever more instances of lab-grown diamonds bearing fraudulent inscriptions linked to grading reports for natural gems. “Given that the resale value of lab-grown diamonds is next to nothing,” said Soraya Cayen, owner of the Carmel, CA. jewelry salon, Cayen Collection, “retailers and consumers alike are understandably seeking confirmation that their diamond is a naturally mined one.”


GIA and AGS Merge Operations with GIA Taking Over AGS’ Grading Division

The American Gem Society (AGS) will shut down laboratory operations at the end of this year and integrate them into the Gemological Institute of America (GIA).
AGS Laboratories’ research staff, intellectual property (IP), technology and Las Vegas facility will become part of the GIA, the two organizations announced Wednesday. AGS Laboratories will continue to provide services until the end of 2022 and will contact clients with details of the transition, it said.


Sarine Partners with China’s NGTC Lab on Light Performance Grading

Israel-based diamond tech company Sarine Technologies and the Chinese state lab National Gemstone Testing Center (NGTC) announced a partnership that includes Sarine’s light performance technology (“Sarine Light”) has resulted in a co-branded new industry standard for this grading feature on the Chinese market. NGTC will include the light performance grading in its grading reports.


GIA Abandoning Paper Certs by 2025

The Gemological Institute of America (GIA) announced that it has started a winddown of its paper reports, starting with its most popular article, the Diamond Report, to go digital only in January next year. Graded diamonds will be returned with a QR code and the report can be consulted online or via GIA's new app. GIA is also launching an AI-based (Artificial Intelligence) service for diamonds graded in the new system, matching the inscribed diamonds with the digital grading report via a dedicated instrument, which will be available later this year at US$695, JCK News reports.