The 100-carat Emerald-cut perfect diamond joins five similarly ... (Photo courtesy Sotheby’s) Wearing the diamond as jewelry won’t increase or decrease its value, assured Mr. Everett.

an emerald and diamonds BVLGARI High Jewelry necklace in platinum with one antique cushion ruby, one pear diamond, one round brilliant-cut diamond, 22 pear diamonds, 262 buff-top rubies ...

Art Deco Emerald and Diamond Brooch ... her marriage to Eddie Fisher. The necklace is described by Julien's as a detachable ...