Sotheby’s and Christie’s sold a combined $158,152,390 worth of jewels this week in New York, in sales that were dominated by spectacular named diamonds (flawless, colored, or huge), along with ...

Sotheby’s New York set two world records for gemstones today, one for a 55.22 carat Mozambique ruby known as the “Estrela de Fura 55.22” and one for a 10.57 carat fancy purplish-pink diamond referred ...

Two world records were set today (June 8) when a ruby and pink gemstone sold for $34.8 million each at Sotheby's, making them the most expensive colored gemstone and purplish-pink diamond ever sold.

The just completed Sotheby’s Magnificent Jewels sale in New York is the first auction to sell two items for more than $30 million. The first is the “Estrela de Fura,” a 55.22-carat Mozambique ruby ...