Lovely, 7 X 9mm(1.1cts) Australian boulder opal doublet with natural emerald cabochons(approx. 4x6mm each) from Brazil on each side. All stones are set in 18k gold bezels and have backsheets of fine silver under the stones. Sterling silver band(approx. 2.6mm wide X 1.25mm thick half round) This ring is a size 7 1/4 and can enlarge to a 7 1/2. Photos of ring have been taken close up for detail. Please refer to dimensions of stone and band above.