Band: Sterling Silver 18k White Gold Plating S925 Stamped Thickness: 3.1mm Each Moissanite is .10ct All passed the diamond tester Size 5.5: total 2.1CT Size 6.5: total 2.1CT Size 7.5: total 2.2CT Size 8.5: total 2.3CT Size 9.5: total 2.4CT Size 10.5: total 2.4CT Can be stacked with a similar design