GIA to simplify grading system for lab-grown diamonds, ensuring clear distinction from natural diamonds for consumers.

GIA simplifies grading for lab-grown diamonds to enhance transparency and distinguish them from natural diamonds effectively.

GIA will no longer use the 4Cs grading system for lab-grown diamonds. This decision impacts the diamond industry, bringing ...

Diamonds USA (formerly CashforDiamondsUSA ... Carat weight is the most objective grade of the 4C’s. Cut is simply the way the ...

“I can guesstimate that if you sent the same 100 diamonds to the lab over and over again, around 70 percent would get the same grade,” says Ben-Ari. That leaves 30% where a different lab, or a ...

“I can guesstimate that if you sent the same 100 diamonds to the lab over and over again, around 70 percent would get the same grade,” says Ben-Ari. That leaves 30% where a different ...

I tried an engagement ring from Quince, the online direct-to-consumer brand. Its center stone is a three carat lab-grown ...

Since the 1940s, when the Gemological Institute of America (G.I.A.) introduced the 4C’s (color, clarity, cut and carat) as the standard to grade and price diamonds, consumers have been trained ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...