Exceptional rivière choker necklace in 750°/°° (18K) yellow gold, entirely set with 93 brilliant-cut diamonds totaling approx. 26 carats: yellow, orange, pink and green, all natural Fancy, Intense and Vivid. And calibrating from 1.04 ct to approx. 0.07 ct. It is centered on a trapeze diamond weighing approx. 1.07 ct, forming an opening clasp that can support a pendant. IGI laboratory certificates. 27.7 g. L: 38.5 cm. Length at center 13.7 mm. Owl hallmark