The Imperial Emerald at 206 carats is the world's most valuable emerald due to the fact that it is so clean, clear and is totally un-enhanced. ~~~~~~~~~~~~~~~~~~~~~~ PURE, CLEAR, most VALUABLE Emerald in the world!
Ring from Elizabeth Taylor's Bulgari emerald and diamond suite, circa It’s set with a rectangular-cut emerald, within a circular and modified triangular-cut diamond surround, mounted in platinum. Via Diamonds in the Library.
An emerald and diamond ring centering an oval emerald cabochon, measuring approximately x x within a baguette and single-cut diamond surround; emerald weighs approximately: carats; mounted in platinum; size 4 (with sizer)