18K YELLOW AND WHITE GOLD, DIAMOND, SAPPHIRE, RUBY AND EMERALD BUTTERFLY PIN, Body, wings and antennae set with 52 brilliant-cut round diamonds together weighing app. 2 ct., with 14 round sapphires, eight round rubies and eight round emeralds in openwork setting. Length: 1 3/4 in. Estimate $1,200-1,800