This shining crystal necklace is a perfect 21st birthday gift for her, carrying a heartfelt message for the young lady entering adulthood. The blue crystal pendant measures 20mm (0.78 inches) and comes with an 18-inch chain plus 2-inch extensions, featuring a comfortable clasp that won’t tangle hair. Crafted from high-quality sterling silver with rhodium plating, the Celtic moon pendant is adorned with a beautifully cut crystal that sparkles from every angle. The skin-friendly materials are hypoallergenic and resistant to oxidation, ensuring durability and comfort. The Celtic moon symbolizes love and eternity, making it a versatile accessory that pairs well with any outfit. Presented in an elegant gift box, it’s ready to celebrate your daughter, granddaughter, sister, niece, friend, or neighbor on her special day. Each piece tells a story, creating lasting memories. If you have any questions, our team is here to provide excellent service. Let her shine with perseverance and grace in the years ahead.