Varvara Dmitrieva: The jewelry industry of Yakutia is distinguished by its creativity, unique cultural code and conservation of traditions

Varvara Dmitrieva, Associate Professor and Head of the Department of Precious Stones and Metals Processing Technologies of the North-Eastern Federal University, told Rough&Polished about the results of the Forum of jewelry Craftsmanship and the prospects...

16 april 2024

Valery Budny: There is no strategy and legislation in Russia enabling the full cycle processing of precious raw materials within the country

Valery Budny, Head of the Jewelry Russia program and CEO of the JUNWEX media holding, told Rough&Polished about the results of the meeting and pressing issues in the precious metals and precious stones (PMPS) and the jewelry sectors.

11 april 2024

Paul Zimnisky: Natural diamonds face the risk of eroding their appeal if constantly discounted

New York-based independent diamond and jewellery analyst and consultant Paul Zimnisky told Rough & Polished’s Mathew Nyaungwa in an exclusive interview that the industry should do away with discounts. He said the industry should treat natural diamonds...

01 april 2024

Edahn Golan: Lab-grown diamond prices to continue declining

In an exclusive interview with Rough&Polished's Mathew Nyaungwa, Edahn Golan, proprietor of the eponymous Edahn Golan Diamond Research and Data, predicted that the prices of lab-grown diamonds would continue to decline, especially at the retail and...

25 march 2024

ADPA’s Ellah Muchemwa: G7 restrictions to bring extra costs from diamond mining to retail

The African Diamond Producers Association (ADPA), which has openly registered its disdain for the G7’s rough diamond trade restrictions, is of the opinion that the move will bring extra costs on all stages, from mining to retail. ADPA executive...

18 march 2024

India's KGK Group to receive De Beers' AMS Micro verification instrument this month

16 february 2024

KGK Group, an Indian diamond manufacturer headquartered in Hong Kong and a De Beers sightholder, has announced it will be the first company to adopt De Beers Group's AMS Micro diamond screening device.

Developed over two years, De Beers Group's AMS Micro can screen up to 2,500 diamonds per hour in the 0.6mm to 0.9mm size range, automatically separating natural diamonds from lab-grown diamonds and other materials with a 0% false positive rate and a referral rate of less than 3%.


A first-of-its-kind ‘robotic arm’ automated feed and dispense function, which requires no specialist expertise and can save users on average five days for every 100 carats screened.

Sarandos Gouvelis, Head of De Beers Group Ignite that developed the device, said: “AMS Micro represents an important breakthrough for the industry, as it greatly improves screening of the smallest sizes of diamonds. It comes to market following years of dedicated research and development by our leading scientists, and will be a game-changer for diamond businesses that deal in large volumes of melee diamonds.”

Patrik Schäfer, CEO of KGK’s Swiss office, said: "The KGK Group has been impressed by the innovation and capabilities offered by AMS Micro, which revolutionises the approach for screening diamonds in this size range, and we are excited about the long term benefits it will deliver to our business by providing enhanced assurance to our customers.”

Aruna Gaitonde, Editor in Chief of the Asian Bureau, Rough & Polished