1 Vintage Matte Mottled Cobalt Blue Glass Ring from 850 /per Qty. Qty available: 6 Add to Cart Measures 42mm. Bead hole approx 7mm. Vintage handmade semi translucent matte mottled cobalt blue ring donut glass bead pendant. Picture doesn't do justice!!! Each slightly unique being handmade. SKU: BB388 Tweet