YL Design: Celtic knot jewelry symbolizes life and eternity Material: 925 sterling silver with rhodium plated Size:Celtic Knot high: 0.83" (21 mm), silver box chain: 18+1.2" (45+3 cm) Birthstone: Set with round-cut created aquamarine Package: Come with YL jewelry box YL Celtic Knot Necklace Sterling Silver Created Aquamarine Love Knot Pendant Trinity Knot Jewelry for Women