Main Stone Genuine Swiss Blue Topaz 2 carats Oval Cut 9x7mm Lagoon Blue Hue Eye Clean Accent Stone(s) Cubic Zirconia Round Brilliant Cut Premium Grade Metal Sterling Silver 925 stamp 4.1 grams Ring features exceptional Design, Craftsmanship and Finish. Swiss Blue Topaz is the Birthstone of December. Perfect gift for Mothers Day, Birthdays, Valentines Day, Graduation, Christmas or just about any other occasion. Style SR10394