This elegant opal necklace features a dainty opal set on a pendant, designed with exquisite craftsmanship for versatility across various occasions and daily wear. The necklace is crafted from S925 sterling silver, ensuring it is nickel-free, lead-free, cadmium-free, and hypoallergenic for comfortable use. The pendant measures 9.3mm (0.37 inches), complemented by an 18-inch chain with a 2-inch extension for adjustable length. This round opal jewelry piece makes a perfect birthday gift for women, loved ones, girlfriends, mothers, daughters, or yourself, ideal for celebrations like anniversaries, New Year’s Day, or Christmas. Presented in a blue gift box, it is a thoughtful and stylish choice. For any questions or suggestions, feel free to reach out—we are committed to providing the best service to our customers.