Craftsmanship Each chain is crafted from solid 14K gold. The three circles are created using precision lost-wax casting and assembled with hand-interlocking techniques to ensure smooth movement between each ring. Finished with mirror polishing and micro-coating protection for lasting shine and hypoallergenic wear. ✦ Shipping Free standard shipping worldwide. Order processing: 1–2 business days. Domestic: 3–5 days International: 7–15 days (including customs clearance)Full tracking number provided for every order. ✦ 30-Day Returns You may return within 30 days of delivery (item must be unused and in original packaging).Return shipping is buyer's responsibility (seller pays for defective or incorrect items). ✦ Certificate Each necklace comes with a third-party precious metal test certificate (confirming gold purity, weight, and hallmark) and a brand warranty card.