About The Brand - Create Your Own Signature Look. The Innovative Pandora Rose Alloy Combines A Unique Blend Of Copper And Sterling Silver With A Layer Of 14-Karat Rose Gold Plating Freshwater Cultured Pearls Ring Cannot Be Re-Sized It Is Customary To Treat Most Gemstones To Achieve Enhanced Color And Durability. Some Of These Treatments May Not Be Permanent, And May Require Special Care.