Material Crystal Description Swarovski Ladies Necklaces. SKU: 5446301. Color: Red. Swarovski One Pendant Necklace. Realized in rhodium plating and features a red crystal centerpiece which is shaped like a heart and is encased by two lines of clear crystal pave. Length: 14 7/8 inch. Pendant size: 3/8x5/8 inches. Collection: One.