This elegant opal necklace features a dainty opal set on a pendant with an exquisite design, perfect for various occasions and daily wear. Crafted from S925 sterling silver, it is nickel-free, lead-free, cadmium-free, and hypoallergenic for comfortable wear. The pendant measures 9.3mm (0.37 inches), and the chain is 18 inches long with a 2-inch extension for adjustable length. The round opal adds a delicate touch, making it a beautiful gift for women, lovers, girlfriends, mothers, or daughters. Ideal for birthdays, anniversaries, New Year's Day, or Christmas, it comes with a blue gift box for a thoughtful presentation. If you have any questions or suggestions, feel free to reach out for the best service.