14K YELLOW GOLD, DIAMOND, AND BLACK ONYX CONTEMPORARY DESIGN FLEXIBLE MESH STRAP CHOKER. Slightly domed openwork strap of bright-polished round half beads, joined by horseshoe design clasp with hinged fold-over bar enhanced by 14 matched round diamonds; four black onyx round cabochon end caps. - W: 3/8 in.; Gross wt.: 1 oz. 8 dwt. L: 16 in. Estimate $1,200-1,800