Solid sterling silver 925 cubic zirconia earrings. Bezel set for optimum protection and security of the gem stone. The silver earrings have a basket setting that is 5mm round. The clasp is butterfly design for comfort and ease of use. The posts are 15 mm long. Crafted in nickel compliant, 925 stamped sterling silver. . Isabella Silver Isabella Silver are proud to offer these beautiful silver stud earrings. Your earrings will come in a purple organza presentation bag making them wonderful gifts. Isabella Silver offer a customer service team available seven days a week to answer any product questions before, during or after the purchase. If you’re not satisfied for any reason and return your purchase within 30 days you will receive a full refund. ]Cubic Zirconia Versus DiamondThere are a few key features of cubic zirconia which distinguish it from diamond: Hardness: cubic zirconia has a rating of approximately 8 on Mohs hardness scale vs. a rating of 10 for diamond.The density of cubic zirconia is about 1.7 times that of diamond.Dispersion is very high at 0.058–0.066, exceeding a diamond's 0.044.Only the rarest of diamonds are truly colorless, most having a tinge of yellow or brown to some extent. By comparison, a cubic zirconia is entirely colorless: equivalent to a perfect "D" on a diamonds grading scale.
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