Diamonds have long symbolized eternity, prestige, and enduring value. However, with the growing availability of diamond simulants and laboratory-created alternatives, many consumers wonder how to determine whether a diamond is genuine.

In this guide, we explain the most reliable ways to identify a real diamond.

A genuine diamond should be accompanied by a grading report from a reputable laboratory, such as GIA (Gemological Institute of America) and IGI (International Gemological Institute).

Among all gemstones found on Earth, few are as captivating and rare as Fancy Color Diamonds. While colorless diamonds are prized for their purity and brilliance, fancy color diamonds are celebrated for their vivid natural hues, exceptional rarity, and remarkable value.

The Gemological Institute of America (GIA) is a public benefit nonprofit institute established in 1931. It is widely recognized as a leading authority on diamonds, colored gemstones, and pearls, and as a major source of gemological knowledge, research, education, and quality standards for the global jewelry industry.