A cultured pearl and diamond 'Ribbon' pendent necklace, by Paspaley, the front of the necklace designed as a pave-set diamond bow plaque, suspending an articulated oval South Sea pearl, measuring approximately 12.0 mm, with single brilliant-cut diamond accent, on a fine link neckchain, signed Paspaley, maker's mark, diamonds approximately 0.83 carat total, mounted in platinum, with maker's pouch, length 45.8 cm, adjustable