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 ...

Discovered in 1905, the Cullinan Diamond was been cut into nine pieces, a job which took 14 workers three months to complete ...

Diamonds, rare colored gems and signed jewels from important private collections fueled Sotheby’s High Jewelry auction in New ...

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