Empress Zita of Bourbon-Parma wanted the jewel's location to be kept secret for 100 years after the death of her husband, ...

From festive Fair Isles to sleek shearling outerwear, your chicest winter look is just a few affordable picks away.

Lab frown diamonds look identical to natural ones, but with the right cues and clarity checks, you can learn exactly how to ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

Boron arsenide has dethroned diamond as the best heat conductor, thanks to refined crystal purity and improved synthesis ...

The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.

A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for $25.6 million including fees. The ...