Custom Made Deco Style 11.17ct Oval Black Boulder Opal (18.3x15.5mm) with 8 Richly Green, Square Colombian Emeralds Weighing 1.46ctw, Measuring 3.2mm Each and 12 Deep Blue, Square Pailin Sapphires=2.81ctw Measuring 3.2mm Each. Total Weight of this Ring is 16.8 Grams.