If you’ve ever seen any of the British crown jewels, you know they’re not exactly subtle. They are sparkle-set to the max: crowns encrusted with thousands of diamonds, gold scepters, jewel-studded ...

The Cullinan diamond was the largest gem-quality diamond ever found, at 3 106.75 carat. The two stones cut from it, the Great Star of Africa and the Second Star of Africa, are part of the Crown Jewels ...

Colored gems and signed jewels from important private collections led the way at Bonhams New York Jewels Sale held Thursday ...