Christie’s is selling ‘The Golconda Blue’ diamond at its auction for the first time. Once part of the Indian royal heritage, ...

It was first found near the Golconda region in ... Cullinan Diamon is considered world’s largest diamond that is around 3106 carats and was discovered in South Africa in 1905.

Persian ruler Nadir Shah defeated Mughal Emperor Muhammad Shah, captured Delhi, and carried the Kohinoor diamond back with ...

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Alrosa, a Russian company, has unveiled its largest-ever 100-carat diamond. The company spent about two years cutting and polishing the diamond, named New Sun—a rare, vivid yellow diamond ...

Petra Diamonds , which has the world's third-largest resource of diamonds, said on Wednesday it had delayed the sale of gems ...