A rare 5.5-carat triangular-cut blue-green diamond known as “Ocean Dream” has sold for $17.3 million at a Christie’s auction in Geneva, setting a record for a stone of its kind, the auction house said.

Diamond Brown, the former girlfriend of R&B singer Chris Brown, has filed a paternity lawsuit against the artist concerning their 4-year-old daughter, Lovely.

King Charles and Queen Camilla have concluded a four-day state visit to the United States, marked by high-profile meetings in Washington D.C., New York City, and Virginia.

Diamond prices continued to decline in March, according to industry agency Rapaport, which tracks global diamond pricing trends.

UK Green Jet Fuel imports linked to illegal Amazon deforestation through traceability gaps.

Authorities at Frankfurt Airport intercepted a passenger arriving from Angola with more than 11,270 uncut diamonds concealed in the false bottom of his hand luggage.

The second-largest diamond ever discovered, a rough 2,492-carat gem, has been extracted in Botswana from a mine operated by the Canadian company Lucara Diamond, News.az reports.

Noble Corporation plc ("Noble") and Diamond Offshore Drilling, Inc ("Diamond") have announced that they have entered into a definitive merger agreement under which Noble will acquire Diamond in a stock plus cash transaction, News.Az reports citing PR Newswire.