Platinum & Rose Gold Chain by Jewelove Metal : Platinum & 18k Rose Gold Platinum Purity : 95% Gold Purity : 18K Purity Mark : Pt 950 & 18K Width : 3.5mm Length : 18/20/22/24/26/28 inches (Length can be custom made on order) Estimated Weight : 43.70 grams (for 22inches) ( Pt 37.67g+ Au 6.03g ) Certificate of Authenticity : Platinum Guild International This chain is not eligible for exchange or refund.