: Best for variety and value . As one of the original online jewelers, they offer a vast selection of GIA-certified diamonds and a popular diamond upgrade program.

: Best for ethical and sustainable sourcing . They are recognized for their focus on "Beyond Conflict-Free" diamonds, recycled metals, and blockchain-verified traceability.

: High-quality diamonds should always come with a grading report from a reputable laboratory like the Gemological Institute of America (GIA) or the American Gem Society (AGS). These reports verify the 4 Cs : Cut, Color, Clarity, and Carat weight.

An upscale boutique offering and loose diamonds with a focus on professional service. Rocky Mountain Diamond Company ClosedMurray, UT

: To check if a loose diamond is real, place it face-down on a piece of newspaper . Because diamonds are highly refractive, you should not be able to read the text through a real diamond . If the print is clear and legible, the stone is likely a fake (like glass or cubic zirconia).

Offers loose diamonds and custom rings at , with a long history of high-quality service. Expand map High-End & Custom Wholesale & Lab-Grown

: Similar to the newspaper test, draw a small dot on a piece of white paper . A real diamond will refract the light so much that you won't be able to see the dot through it. Local Diamond Specialists