A tanzanite and diamond pendant by Mark Gold, the rectangular step cut tanzanite in a four claw setting, suspended below an articulated row of brilliant cut diamonds, to a brilliant cut diamond set bale, approximately 0.20 carats total, signed Mark Gold, stamped 18ct, 4.5cm long; a tanzanite and diamond ring, the rectangular step cut tanzanite in a four claw setting, to brilliant cut diamond set shoulders, approximately 0.14 carats total, stamped 18ct, finger size M 1/2; and a pair of tanzanite and diamond earrings by Shimanski, the rectangular step cut tanzanite in a four claw setting, suspended below an articulated row of brilliant cut diamonds, approximately 0.50 carats total, with post fittings, signed Shimanski, stamped 750, 3cm long