By: Jeffrey M. Bertman Graduate Gemologist Some of the biggest news in women’s watches has more to do with the straps than the watch itself.

By: Jeffrey M. Bertman Graduate Gemologist The “brilliant cut” is the most popular cut for diamonds and other colorless stones because it ensures that maximum

By: Jeffrey M. Bertman Graduate Gemologist September’s birthstone comes in a host of colors other than its signature violet-blue. Sapphire, which is a variety of

By: Jeffrey M. Bertman Graduate Gemologist Platinum, the rarest and most valuable of precious metals, has a white luster that makes it a perfect match

By: Jeffrey M. Bertman Graduate Gemologist When it comes to diamonds, you can have a natural mineral that was produced billions of years ago, or

By: Jeffrey M. Bertman Graduate Gemologist Enameling is the technique of fusing glass to metal that creates beautiful pieces of jewelry characterized by deep, rich

By: Jeffrey M. Bertman Graduate Gemologist The mineral “corundum” is the crystalline form of aluminum oxide (Al2O3), which is a naturally clear and transparent material.

By: Jeffrey M. Bertman Graduate Gemologist The specific type of watch known as a “chronograph,” which dates back to 1821, is easily recognizable by the

By: Jeffrey M. Bertman Graduate Gemologist Because pure 24-karat gold is too soft to be used in jewelry making, it must be alloyed with other

By: Jeffrey M. Bertman Graduate Gemologist Not only is the remarkable variety of chrysoberyl known as Alexandrite the birthstone for June, it is also used