BLACK JADEITE BEAD AND DIAMOND NECKLACE, BUCCELLATI Fifteen graduated black jadeite beads of approximately 14.0 to 12.0 mm, rose-cut diamonds, gold (Italian marks), 57.5 cm, signed Gianmaria Buccellati, numbered, grey Buccellati case HK Jade & Stone Lab, 2018, report no. KJ 98962: 1 round bead, natural colour Fei Cui (Jadeite Jade), without resin US$23,000-35,000