purple swarovski necklace purple swarovski pendant purple swarovski charm necklace purple mothers day necklace Purple Swarovski Heart Necklace £19.99 Quantity: at £19.99 each Add To Basket 1 in stock. Elegant Purple Swarovski Heart Necklace The distinctive little crystals, shimmer in the light, giving this necklace a very chic and stylish vibe. The charm measures 12 x 18 mm. The charm hangs from a lightweight 18-inch sterling silver chain. It will arrive in a gift box.