A diamond necklace that has been worn at two British coronations, and is thought to contain stones from the infamous necklace ...

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

A necklace thought to contain diamonds from an earlier necklace which embroiled Marie Antoinette in scandal has found success ...

The necklace containing around 300 carats of diamonds was bought by an unidentified woman who put in her bid over the phone, ...

Here are six new volumes that might make your holiday shopping list.

GN’s is classic and timeless and may be passed down from generation to generation without ever going out of style.