Christie’s New York Magnificent Jewels auction totaled $87.7 million with 100% of the lots sold, a record for a various-owner ...

The heirloom in question, lot 44, which sold for $13.98 million, is a diamond and blackened platinum ring featuring a fancy ...

With a surge in popularity and demand, coloured gemstones are having a shiny moment—and the world just can’t seem to have ...

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

This tiny stone is an anomaly of geology. It is the rarest kind of diamond — graded “Fancy red,” pure and unmodified by other ...