Bvlgari Shoulder Bag. Serpenti Diamond Blast series. SKU: 287328. Color: White. Bvlgari Serpenti Diamond Blast shoulder bag crafted in white agate quilted nappa leather and a snakehead closure in light gold plated brass. Dimensions: 24 x 15 x 7 cm. 9.5 x 5.9 x 2.8.