Platinum-Plated Sterling Silver Genuine Ruby Heart and Diamond Accent Pendant with 16" Chain Necklace 2mm Genuine Rubies (Naturally Incuded Stones) with Tiny Genuine Diamond Accent 21mm or 7/8" tall x 18mm (11/16") wide Weight is Approximately 4.4 Grams 16" Bead Chain w/ Spring Ring Clasp Included Platinum Plated Sterling Silver, Marked .925