"This is an authentic chain bracelet is by David Yurman, it is crafted from sterling silver featuring large oval links in alternating pattern of cable style silver links with oval polished links. It secures with an invisible oval link hook clasp, and it is signed by the designer with the silver content. Material: sterling silver Hallmark: D.Y 925 Measurements: 7.75\" to 8\" long x 0.50\" wide x 0.45\" high Weight: 34.9 grams Stock# 68118"