18K WHITE GOLD TANZANITE AND DIAMOND PENDANT SUSPENDED ON 14K WHITE GOLD CHAIN. Emerald-cut tanzanite weighing approx. 5.50 ct. held by four corner prongs and surmounted by cushion shape ornament set with four matched cushion shape diamonds together weighing approx. 35 ct. Pendant, L: 7/8". Snake chain with lobster claw clasp, L: 17". Estimate $2,000-3,000