Frozen Heart Pendant by Alchemy Gothic, England [Jewelry] This pewter winged pendant is set with four diamond-shaped pale blue Swarovski crystals, making up one large diamond. Suspended from the wings is a matching blue crystal heart. Materials: Fine English Pewter with ice blue Swarovski crystals Items sold by us (Alchemy of England) are guaranteed to be genuine Alchemy England products and sold with an Alchemy England Product Warranty.