This 925 Tennis Chain W/ Moissanite is crafted to last, featuring a 925 Base and Moissanite stones that can pass diamond testers. With a unique and luxurious design, this chain is sure to make a lasting impression. 925 Tennis Chain made from real silver to last you a lifetime! Base Metal: 925 Silver Lifetime Warranty* This product is guaranteed for life - Astroice Jewelry will repair or replace the item should you experience any defects in craftsmanship or breakage.