18 karat blackened gold, fire opal and diamond ring by Sifen Chang. 18 karat blackened gold, jelly fire opal, and diamond ring by Si...

Gold, cabochon sapphire and white enamel shell earclips by Verdura.  Diamond and sapphire ear clips. Pearl, gold and natural sto...

Art Nouveau butterfly woman brooch made with plique-a-jour enamel, diamonds, gold and a pearl, by Gaston Lafitte, France, circa 1900. ...