Unlike a rough diamond, whose yield can be determined ... One of these necklaces boasts a 15.53-carat emerald, surrounded by brilliant-cut emeralds, fancy-cut pink sapphires, and diamond brilliants.

From a remarkable 6,225-carat rough emerald, Chopard unveils the astounding Insofu collection, featuring 850 carats of flawless stones. In 2017, Chopard. Check out our stories from Feature, Jewellery ...