Learn about fancy color diamond's durability and how to care for your fancy-colored diamond jewelry.

Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other 0.05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry. Some trace elements can influence its color or crystal shape.

Learn about the factors that make diamonds so desirable.

While fancy color diamonds have traditionally been a small part of the diamond business, their popularity and availability have grown in the past several decades.

GIA Diamond Origin Service Listing Application Form

Learn more about the GIA Diamond Origin Report service which includes a country of origin opinion for eligible diamonds.

GIA’s Diamond Origin Service relies on participating miners, manufacturers, wholesalers and retailers to ensure that expertly graded natural diamonds with confirmed countries of origin reach the end consumer. By providing the list below, we encourage companies throughout the supply chain to connect with each other as they source GIA Diamond Origin diamonds for their customers.

Describes a pink sapphire with natural beryllium and a yellow sapphire with an indeterminate beryllium source

Examination of a group of opals with an unusual bright purple bodycolor and strong play-of-color

An examination of seven CVD synthetic diamonds with an attractive pink color.