A Collection of 18 Karat Yellow Gold, Tourmaline and Polychrome Enamel Rings, consisting of one ring with bark texture containing three octagonal step cut tourmalines measuring 4.73-4.92 mm x 6.95-7.18 mm, one ring containing two oval mixed cut tourmalines measuring approximately 4.92-4.97 x 6.68-6.83 mm and one ring with green and white enamel in a harlequin pattern. Stamp: 750. 16.30 dwts.