Tourmaline and diamond set 18ct gold halo ring by Hardy Bros. With a inner rose gold and outer white gold double halo settings and pave diamond set tri split shoulders. Approx tourmaline size 8.6 mm x 11.0 mm x 6.3 mm depth, 104x round brilliant cut diamonds 1.50 mm average diameter each, estimated diamond weight 1.56ct, ring weight 10.7 grams, ring size K-L