After more than 18 months spent analyzing, cutting, and polishing, Graff has revealed the 302.37-carat Graff Lesedi La Rona, the principal stone cut from the historic 1,109-carat Lesedi La Rona rough ...

It’s rare these days to see a diamond making major global headlines. But on Tuesday, the gem masters at Graff delivered a piece of news that’s too big to ignore—and that will undoubtedly go down in ...

There's no engagement ring more classic than a diamond engagement ring. They've stood the test of time as one of the most popular choices to propose with, bypassing trends and seasons to remain a top ...

Schreibman offers these tips on his company's Web site: To establish a diamond's quality, jewelers examine each of the four C's -- cut, clarity, carat weight and color. The combination of the four C's ...

A 3.09-carat rectangular-cut fancy intense blue diamond sold for more than $5.3 million, setting a world record price per carat for an intense blue diamond. The gem, which was set on a platinum ring ...

A square, 32.01-carat emerald-cut diamond that billionaire philanthropist Leonore Annenberg bought for her 90th birthday has been sold for $7.6 million at a New York City auction. About the size of a ...