Multicolored Sapphire, White Zircon Circle Pendant Necklace Over Sterling Zircon Lab Grown Sapphire Crown Shape Pendant Necklace Lab Grown Sapphires Sapphire Jewelry Grown Brilliance Lab Grown Blue Sapphire Infinity Swirl Pendant with Lab Diamonds Crescent Oval Cut Lab Cornflower Sapphire Necklace For Women. 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)