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

Emanuel Vieira Lopes: Angola's new digital mining cadastre to reduce permit times by a third

Angola's new Digital Mining Cadastre (CMA) is on track to reduce average permitting timelines by one-third once fully deployed, according to Emanuel Vieira Lopes, Advisor to the Secretary of State for Mineral Resources. In an interview with...

06 april 2026

Paul Zimnisky warns diamond trade at "crossroads" as geopolitical tensions, pending De Beers sale, and LGDs reshape market

As geopolitical tensions escalate in the Middle East, diamond industry analyst Paul Zimnisky warns that the impact is most acute at trading hubs like Dubai, where flight cancellations and travel fears are keeping buyers away. In a wide-ranging interview...

30 march 2026

Gokhran to auction 309 lots of polished diamonds from the Russian State Fund

21 april 2026

Gokhran will put 309 lots of diamonds with a total weight of 2,954.4 carats up for a public auction on May 21.

The initial cost of polished diamonds from the Russian State Fund is $584,059. The smallest lot weights 0.94 carats and is worth $149, the largest is 90 carats worth $1,012,5. The weight of the most expensive lot is 45.6 carats worth $15,392.8.

Gokhran is holding an open auction for the sale of diamonds from the Russian State Fund on the domestic market for the eighth time.

Alex Shishlo, Editor in Chief of the European Bureau, Rough&Polished