From Brooke's Key to your Heart Collection , one of a kind hand engraved Opal, Diamond pave and Aquamarine key necklace. ________ 18k gold georgian style bezel opal necklace with aquamarine and diamond pave detail. 18k yellow gold Carat weight opal 1.47ct, aquamarine .03ct, diamond .16ct Pendant 3.2cm x 1cm Chain length 20" with adjustable loop at 18"(50-46cm) One of a kind hand engraved necklace