David Yurman necklace from the Chatelaine® Collection.; Sterling silver box chain, hardware and settings.; Amethyst, black onyx, prasiolite or blue topaz.; Gemstone in prong settings with diamonds.; 0.03 total diamond carat weight.; Black Onyx, 1.80 total carat weight; Approx. 18"L; 8mm pendant.; Lobster clasp.; Made in USA.