When men and women really start looking into diamond grading, a common question is, “Why does the GIA color grade start with a D?” (more…)
When men and women really start looking into diamond grading, a common question is, “Why does the GIA color grade start with a D?” (more…)
Sometimes the search for the perfect diamond grows into something deeper—a lasting interest in the jewelry and gems. If that’s happened to you, discover how GIA can guide your path toward a Graduate Gemologist (G.G.) or Accredited Jewelry Professional (A.J.P.) diploma, courses in gemology and jewelry arts, and a career in the industry. (more…)
Synthetic diamonds are grown in a laboratory and have essentially the same chemical composition and crystal structure as natural diamonds formed millions of years ago. In the last 30 years, gem quality synthetic diamonds have been grown in Japan, South Africa, Russia, Ukraine and the United States. Synthetic diamonds are generally produced using either High Pressure/High Temperature (HPHT) or Chemical Vapor Deposition (CVD). (more…)
Purchasing a diamond is a big step and finding the right one can be pretty intimidating. However, it doesn’t have to be. Before you make your purchase of a lifetime, make sure to ask the following 5 questions to your jeweler. (more…)
When your guy gets down on one knee and pops the question, you know what you want to see inside that little box. But does he? When it comes to engagement rings, even the most well-intentioned soon-to-be fiancé can use a little help. That’s where you come in—read on for 5 easy tips to getting the diamond you’ve always dreamed of. (more…)
My grandfather was a client of GIA’s back in the 50s and early 60s. He died only a few years after I was born, but at his company in Long Island City, New York, where both my mother and father continued to work, I grew up surrounded by the tools of an amateur gemologist—which only stopped gathering dust when my sister and I handled them (secretly, so mom wouldn’t yell). (more…)
Use of this site signifies your agreement to its terms of use.
© 2002 – 2025 Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization.
All rights reserved.