A Super Bowl ring owned by one of the most successful team owners in NFL history is expected to fetch up to £30,000 (more ...
A Christie's employee displays the Mellon Blue, a fancy vivid blue pear-shaped diamond of 9.51 carats, during a preview at Christie's in Geneva, Switzerland, Friday, Nov. 7, 2025, ahead of an auction ...
A 3.13-carat fancy vivid blue diamond will lead Bonhams New York Jewels auction on December 8. The gem, mounted on a ring, boasts VVS1 clarity with the potential to be internally flawless. Its ...