In the early 1950s, a wonderful and helpful tool for diamond buying was conceived. It is the “Diamond Grading Report.” At that time the Gemological Institute of America (GIA) debuted its first reports ...

I am buying my girlfriend a diamond ring for Valentine's Day. How do I make sure I'm getting a real diamond? -- L.T., Tulsa. The International Gemological Institute -- www.igiworldwide.com-- the world ...

If you’ve ever bought an engagement ring, or any other diamond jewelry, you likely know about the “Four Cs”: carat, cut, color, and clarity, which between them determine the quality of a gem. The ...

Make sure you're buying the best ring for your budget. July 10, 2013 -- intro: The average engagement ring in America costs around $5,431, according to theknot.com, and while budgets vary from one ...

Diamonds may be a girl’s best friend, but unfortunately, the billion-dollar diamond industry is rife with scandal and fraud. There have been a number of cases where lab-grown diamonds have been graded ...

CARLSBAD, Calif., June 12, 2025 (GLOBE NEWSWIRE) -- The Gemological Institute of America (GIA) has evaluated more than 30 rare and historically significant jewels ahead of Christie’s Magnificent ...