Edahn Golan: India’s lab-grown diamond exports surpass natural diamonds by volume, yet value gap widens

India’s diamond industry has reached a historic turning point. In March and April 2026, the volume of lab‑grown diamond exports overtook that of natural diamonds, with lab‑grown stones accounting for 51% and 50.4% of total export volume respectively...

01 june 2026

Dr M’zée Fula-Ngenge: Kimberley Process failing Africa

The Kimberley Process (KP) is failing Africa, and the world's definition of a “conflict diamond” is a moral and legal absurdity, according to the African Diamond Council (ADC) chairperson M’zée Fula-Ngenge. The following exclusive...

18 may 2026

How much CO2 is in a Pandora lab-grown diamond? 12.58 kg per carat

Pandora’s cradle-to‑gate carbon footprint study of its lab‑grown diamonds, verified by EY (formely Ernst & Young) under limited assurance, finds that one polished carat carries a footprint of 12.58 kg CO2 equivalent (e). The growing stage...

11 may 2026

Antwerp diamond trade volumes jump 20% in Q1 2026 as structural measures take hold

The Antwerp World Diamond Centre (AWDC) reported a nearly 20% increase in total diamond trading volume for the first quarter of 2026, driven by a 35.7% surge in rough diamond imports.

27 april 2026

‘AI is the engine, diamonds are preserved upside down, copper currently the path to value’ – Botswana Minerals’ Campbell on strategy shift

Botswana Minerals has positioned itself as a data-led, multi-commodity explorer, placing copper at the centre of its growth strategy while retaining diamond assets for future upside, Managing Director James Campbell has told Rough & Polished. In an exclusive...

13 april 2026

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%.

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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