140. ENAMEL, CHRYSOPRASE AND DIAMOND BRACELET Forming a semi-rigid band decorated with black enamel, ending in two cabochons of chrysoprase, highlighted at the ends with old-cut, 8/8-cut and rose-cut diamonds, dispensation granted for 18K gold (750°/00) and platinum (850°/00), internal diameter 14.00 cm, gross weight 39.98 g. ENAMEL, CHRYSOPRASE AND DIAMOND TWIST BANGLE-BRACELET Designed as an open bangle, set with two chrysoprase cabochon terminals, highlighted by old brilliant-, single- and rose- cut diamonds, to a twisted mount decorated with black enamel, exempt from hallmarking for 18 carat gold and platinum, inner circumference 14.00 cm, gross weight 39.98 grams.