Its latest Blue Book is a love letter to the ocean. Witness the artistry in its "Sea of Wonder" collection.

The 23.24- carat gem, known as the Golconda Blue, is set to lead Christie's Magnificent Jewels sale in Geneva and is widely ...

On its way to auction at Sotheby’s Geneva, the 10-carat diamond stopped off at the Bassam Freiha Art Foundation in Abu Dhabi. CNN got up close and personal with the rare blue gem and the rest of the ...