Lab Grown Sapphire Etsy Lab Grown Shell Style Oval Sapphire and Lab Diamond Pendant Angara Round Cut White Sapphire Crown Necklace in Gold SayaBling Crescent Oval Cut Lab Cornflower Sapphire Necklace For Women Lab Grown Sapphires Sapphire Jewelry Grown Brilliance. Includes: A matching box. Style: Minimalist Material: 925 sterling silver, Platinum plated, Zircon, Lab grown sapphire Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Product measurements: Chain length: 15. 7 in Extension chain length: 2 in Sapphire: 0. 715 carat Zircon: 1 carat Weight: 0. 15 oz (4. 36 g)