Platinum Plated Sterling Silver Simulated Birthstone Heart Pendant Necklace with Swarovski Zirconia Accents Pendant adorned with red heart cut Swarovski Zirconia, featuring a halo of Swarovski Zirconia Platinum-plated sterling silver pendant, 16" cable chain with spring clasp Beautiful consistent colors created from a patented environmentally friendly color enhancement process  No irradiation Each Swarovski Zirconia is Laser Engraved as a seal of authenticity and guarantees the highest quality diamond simulant in the world Imported