Classic Elegance & Design That Defies Time Itself 925 Sterling Silver *925 Sterling Silver is the perfect metal material to produce accessories with its approved gloss, luminance and strength. *Gold-plated 925 Sterling Silver adds a modern contemporary look and a very feminine touch. 5A Cubic ZirconiaSolid 925 Sterling Silver earrings. colourless Crystal Gem stone 10mm in diameter. IG 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 you will receive a full refund. Cubic Zirconia Versus Swarovski Crystal There are a few key features of Cubic Zirconia which distinguish it from Swarovski Crystal: Hardness: Cubic Zirconia has a rating of approximately 8 on Mohs hardness scale vs. a rating of only 6 for Swarovski Crystal making Cubic Zirconia less prone to scratches. Cubic Zirconia also has a higher refractive index than Swarovski Crystal giving it more sparkle - to the extent that a Cubic Zirconia gem stone is indistinguishable from a real diamond to the untrained eye. Only the rarest of diamonds are truly colourless, most having a tinge of yellow or brown. By comparison, Cubic Zirconia is entirely colorless: equivalent to a perfect "D" on a diamonds grading scale. Jewellery care Our Jewellery are made of genuine high-grade Material, as long as the proper maintenance, ensure wearing years still bright as new. They don't need to use very expensive maintenance water, just to avoid acid-base and moist environment .Perfume is also corrosive to jewellery. Humid conditions include: don't wear when shower, washing face, sweating, deposit before application of dry cloth to wipe dry