A thing of beauty is a joy forever.  This sterling silver, 17-inch necklace has a square Cabochon green onyx (7x7 mm) surrounded by Pave diamonds (.17ct total weight). The sterling chain is a baby box design, about 1.7 mm wide and the pendant is 11x11 mm.  Fastens with a lobster clasp.  Designed by David Yurman for his Albion Collection.