14.83ct blue topaz, peridot, Iolite cocktail ring in 18ct white gold. This modern ring, features one pear shaped 18 mm x 12 mm London blue, oval mixed cut topaz reported as 14.83cts, surrounded with small topaz, iolite and peridots with a combined total weight of 1.50cts, on a plain shank. Finished weight 11.60 grams.