High ring in 18kt white gold, diamonds and violet-blue tanzanite

DESCRIPTION: high ring made with oval tanzanite mounted with four claws entirely embellished, laterally, on the base and on the ring with brilliant-cut diamonds, bears the 750 mark WEIGHT: tanzanite ct 18.50, diamonds ct 1.0 approx, color G / H, purity VS, with certification C. Dunaigre, Switzerland, no. CDC1601024 issued on 05.01.2016, gr 13.1