A black onyx necklace is a must-have jewelry piece for fashionable women. The combination of black onyx and gold is a red-hot trend, creating a bold and unique attraction. This cross necklace is crafted from 925 sterling silver with 18k gold plating, ensuring tarnish resistance and hypoallergenic properties. It is nickel-free, lead-free, and cadmium-free, making it safe for lifetime wear without discoloration. The pendant measures 40.7 x 20.2mm (1.6 x 0.79in), with an 18-inch adjustable chain that fits most women and girls. The total weight is 6.96g. It makes an ideal gift for women, friends, sisters, mothers, girlfriends, wives, daughters, or yourself. The necklace comes in a jewelry gift box, perfect for birthdays, anniversaries, Christmas, graduations, Mother’s Day, or Valentine’s Day. It’s a thoughtful surprise to show someone you care. For any questions, contact us immediately—we’ll respond within 24 hours. Thank you for your support.