Swarovski Gold Red Heart Pendant Necklace. If you love heart-shaped jewelry, this pendant from the Stilla collection is a must-have addition to your collection. It features a gold-plated base set with red imitation crystals, surrounded by square-cut transparent imitation crystals that enhance its brilliance. The exquisite gold-tone chain is finished with round imitation crystal details and a 5cm extension chain, making this piece perfect for everyday wear and a signature accessory for your style.