Main Stone Lab Created Blue Sapphire 1 carats Oval Cut 7x5mm Ceylon Blue Hue Eye Clean Accent Stone(s) Cubic Zirconia Round Brilliant Cut Premium Grade Metal Sterling Silver 925 stamp 6.1 grams Ring features exceptional Design, Craftsmanship and Finish. Blue Sapphire is the Birthstone of September. Perfect gift for Mothers Day, Birthdays, Valentines Day, Graduation, Christmas or just about any other occasion. Style SR9760