Over a carat, diamond weights are usually expressed in carats and decimals ... one-carat size can give it as much as a 20 percent difference in price with only a 6-point difference in weight.

Chopard once again delivers a masterclass in craftsmanship and imagination with its latest haute joaillerie collection.

The history of the stone which was eventually named the Hope Diamond began when the French merchant traveler, Jean Baptiste Tavernier, purchased a 112 3/16-carat diamond. This diamond, which was most ...