Latest Cora International Stories

A yellow diamond weighing over 110 carats is now on display in London's Natural History Museum. The Sun Drop is one of the biggest of its type in the world and is roughly the size of a woman's thumb. The diamond is on loan from diamond manufacturer Cora International. Color in diamonds is caused by the presence of other substances or structural defects. Tiny amounts of boron create a blue stone, while exposure to radiation at some point during formation will result in a green tint. Pink...