This Celtic knot moon necklace is a beautiful birthday gift for her, symbolizing love and eternity. Crafted from 925 sterling silver and adorned with a sparkling heart crystal, it is elegant and delicate. The necklace is hypoallergenic, anti-rust, and free from nickel, lead, and cadmium, making it safe for sensitive skin. The Irish Celtic knot design features a pendant measuring 0.86 by 22 mm, with a 45 cm chain and a 5 cm extender for a perfect fit. It comes in a beautiful jewelry gift box, making it ideal for birthdays, Christmas, Mother’s Day, Thanksgiving, graduations, or anniversaries. A 13th birthday is a special milestone, and this necklace is a meaningful way to celebrate. We ensure quality and excellent customer service. If you have any concerns, feel free to contact us for a worry-free purchase.