David Benderly: PermaScribe seeks to put trust mark on diamond table, not just girdle

In this interview with Rough & Polished’s Mathew Nyaungwa, PhotoScribe Technologies president and chief executive David Benderly explains how PermaScribe differs technically from conventional laser inscription, its potential to strengthen security, and...

31 august 2026

The great reset: Paul Zimnisky on supply catharsis, De Beers' bargain and the case for natural diamonds

The natural diamond industry is in the throes of its most profound reset in a generation. Supply is plunging to its lowest level since 1987 and De Beers—once valued at over $9 billion—is reportedly being sold for as little as $1 billion.
Lab-grown...

10 august 2026

Roman Karakurkchi: Maintaining the highest standards of jewelry craftsmanship

Roman Karakurkchi is the founder of the Roman Karakurkchi jewelry brand and the International Jewellery School that brings together instructors from Russia, the USA, the Netherlands, Spain, Belgium, Italy, and Germany, as well as students from 65 countries...

03 august 2026

Mehul Shah pledges to bring new approach to leading WFDB

Mehul N. Shah, who was elected in July as President of the World Federation of Diamond Bourses at the 41st World Diamond Congress in Singapore, is one of India's best-known diamantaires and a prominent leader in the international diamond industry...

27 july 2026

Charlotte Rose on making history, modernising the London Diamond Bourse, and why finance is the industry’s silent crisis

When Charlotte Rose was elected president of the London Diamond Bourse in June 2026, she didn't just break an 86-year tradition—she became the first woman to lead any diamond bourse globally. In an exclusive interview with Rough & Polished’s Mathew...

20 july 2026

Petra realises $366 million from the seventh rough diamond tender

05 july 2024

Petra Diamonds, which has operations in South Africa and Tanzania, earned $366 million in revenue from its seventh rough diamond tender for the fiscal year (FY) 2024, a 13% growth compared to $324 million in FY 2023.

Company chief executive Richard Duffy said like-for-like prices were down 3.8% compared to tender 6 as a result of the continued softness in demand for coarser goods, specifically stones between 1 and 10 carats in size.

Average like-for-like prices for FY 2024 were down 12.4% compared to prices achieved in FY 2023.

“We expect a subdued market through to the end of this calendar year. Our recently published FY 2025 pricing assumptions remain unchanged,” he said.

“In addition to the rough diamond sales..., we [also] benefited from the sale of three partnership stones, with Petra’s profit uplift totalling $1.3 million for FY 2024 compared to $1.4 million realised in FY 2023.”

Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished