established in 1931, gia is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

American Gem Society is comprised of the top jewelers in the U.S. and Canada and offers the best gemstone and diamond information. Find top jewelers today.

as the biggest online gemstone marketplace, we offer an unparalleled selection of loose, natural gemstones. discover your ideal stone for jewelry or collecting

brilliant earth is the global leader in ethically sourced fine jewelry. explore engagement rings, wedding rings, beyond conflict free diamonds™, jewelry, and more.

Gemstones.com is the one-stop destination for all gem information, providing quality educational material and inspiring to explore the world of gemstones.

Each Forevermark diamond comes with a promise that it is beautiful, rare & responsibly sourced. Explore diamond jewelry featuring Forevermark diamonds.

Buy jewelry or a diamond engagement ring online with guidance from our industry veterans. Read our real insights with store reviews and more diamond education. Become a master of the 4 Cs: Cut, Color, Clarity, and Carat.

With Clarity redefines your online experience of shopping for engagement rings, wedding rings & fine jewelry by blending expertise with sustainability. Design your own jewelry with lab-grown or natural diamonds.

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