This elegant opal heart necklace is crafted from lead-free and nickel-free S925 sterling silver, making it hypoallergenic and safe for sensitive skin. The pendant features a stunning blue opal heart measuring 20x17.5 mm, surrounded by sparkling cubic zirconia, with the opal itself sized at 5 mm. The necklace includes an 18-inch cable chain, 1.2 mm wide, and weighs just 3.6 grams for lightweight comfort. Opal, October’s birthstone, symbolizes faithfulness, confidence, and the energy of love, passion, and desire. Derived from the Latin word "opalus," meaning precious jewel, this piece makes a heartfelt gift for yourself or loved ones like a wife, mother, daughter, sister, or friend. Perfect for occasions like Thanksgiving, Christmas, New Year, Mother’s Day, anniversaries, birthdays, or Valentine’s Day. We offer a 60-day satisfaction guarantee with free exchange or full refund if you’re not delighted with your opal necklace. Enjoy its timeless sparkle and elegance worry-free.