Gem Diamonds swung to an annual loss before exceptional items of $9.1m in 2025, compared with a profit of $8.1m in 2024. A depressed rough diamond market and weaker US dollar against the Lesotho loti ...

South Africa has introduced new guidelines to retain more economic value from its rough diamonds by promoting local cutting and polishing, rather than exporting goods unprocessed. Around 90% of its ...

(IDEX Online) - Lucara yesterday (16 March) announced the recovery of a 36.92-carat blue diamond from its Karowe mine, in ...

Botswana's credit rating has been downgraded for the second time in six months by the ratings agency S&P Global, in response to ongoing weak global demand for diamonds. The world's second biggest ...

(IDEX Online) - Actress Natalie Portman stars as herself in a new global campaign film for Tiffany & Co. The three-minute film, which debuted during the 98th Oscars on 15 March, depicts her writing a ...

(IDEX Online) - Signet Jewelers says revenue for FY2026 increased slightly, up 1% to $6.8bn, according to preliminary results ...

(IDEX Online) - The UK's "biggest diamond in a decade" - a 23.36-carat round brilliant cut stone - will be auctioned tomorrow ...

The cut in US tariffs on imports from India could push up revenue for the country's diamond polishers by 6% to 7% in FY 2027, according to Crisil, the Mumbai-based ratings agency. But it is ...

Headline figures rarely tell the whole story, and Alrosa is a case in point.

(IDEX Online) - A Tiffany ring with a 10.02-ct emerald cut diamond is leading a Christie's online auction and is expected to sell for $500,000 to $700,000. The Type IIa stone (pictured) is D color, IF ...