Aquamarine also looks great when it's set in white gold because the cool white of the metal sets off the light blue color of the stone. Whether you're lucky enough to have aquamarine as your ...

Dubbed the “Looking Glass Necklace,” the “one-of-a-kind” design also features 38 diamonds surrounding the incredible center stone and dotting the 18-karat gold chain. It’s priced at $32,000.