A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered ...

Hydraulic Blue Diamond rock rake for skid steer loaders is designed to efficiently remove rocks and debris, level terrain, ...

Sotheby's Geneva auction will feature the stunning 10-carat "Mediterranean Blue Diamond," estimated to fetch $20 million. This rare, fancy vivid blue diamond, sourced from South Africa ...

The 68-inch rock rake eliminates labor-intensive hand raking while effectively collecting rocks up to eight inches in diameter.

Christie’s is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction. Weighing 23.24 carats, this gemstone will headline Christie’s ...

GENEVA - A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction house Sotheby's in Geneva on Thursday. The cushion-shaped ...

A Sotheby’s staff holds "The Mediterranean Blue" diamond during an auction preview in Geneva 32,963 people played the daily Crossword recently. Can you solve it faster than others?32,963 people ...