Oh so charming - how not to fall in love with this dyed ruby copper turquoise jewellery set? The necklace has a lobster lock and the earrings have a post at back.These stones are made by pressing natural gemstones with copper to create a one-of-a-kind pattern.- Sterling Silver with 18K Gold plating and 925 hallmark- AAA+ quality zircons- Semi-precious gemstones- Perfect for sensitive skin- E-coating to prevent tarnishing- To keep a long-lasting shine, do not expose to prolonged heat, water, and moisture- Do not wear while swimming or showering- Comes with authenticity certificate