Crater of Diamonds State Park in Arkansas is the only state park in the U.S. where you can dig for diamonds and keep them. You'll also be able to find gems like quartz, agate, garnet, and jasper ...

Not to be confused with imitation diamonds, made from glass or plastic, lab-grown diamonds are real diamonds created in a laboratory using a sophisticated process. Lab-grown diamonds are often cheaper ...

One of the world’s most popular types of rough diamonds has plunged into a pricing free fall, as a growing number of Americans choose engagement rings made from lab-grown stones instead. Diamond ...

Researchers have succeeded in creating a rare type of diamond, known as lonsdaleite or hexagonal diamond. This material, whose hardness could surpass that of conventional diamonds, opens new ...