Jewelry designer Nina Runsdorf was at a trade show in the early 2000s when a “large brown rock” the size of a pebble caught her eye. The seller told her it was a rough brown diamond.

In the '80s and '90s, gem-quality brown diamonds were worth about $1,500 per carat, but now many sell for up to $10,000 per carat. And the price of larger stones has risen by as much as 25 times.

Holi, the vibrant festival of colors, is a celebration of love, joy, and the triumph of good over evil that transcends ...

Boston Celtics star Jaylen Brown debuted a pair of diamond-encrusted boots, a collaboration between Timberland, 7uice, and ...

Many diamonds actually show very pale colours, most often in shades of yellow, brown and grey. They are rejected as gemstones and used in industry instead, often as abrasives. However, on the rare ...

‘The choice of materials is a fundamental part of the story of a collection and has the ability to bring something personal to each piece,’ says jewellery designer Fernando Jorge, who has worked with ...