R-timer Swarovski Elements Two-tone Heart Sterling Silver Antique Pendant Necklace Silver 100% authentic R-timer SWAROVSKI ELEMENTS Crystals, have been recognized by the Swarovski seal,every seal hang tag and sticker has a unique 16 digit code that can be found directly on swarovski.com/crystals. Material of Pendant : Quality Brass with 18K White Gold plating (Extra coating plating 0.05 mil thickness for long lasting shine). Setting: Crystals from SWAROVSKI? Art. No 1028 XILION Chaton. Diameter of Art.1028 XILION Chaton : (6261) 17mm ,Dimension of Pendant : Approximately 20.0mm x 18.0mm,Length of Chain : 16" ,extendable to 18". Material of Chain : Quality Brass chain with 18K white Gold Plating.