BLUE STAR SAPPHIRE ....... Australian Opal & White Topaz ......This is a Gorgeous Ring featuring a Genuine Blue Star Sapphire which measures 8x6mm (0.62cts). The Star is better seen in Direct Sunlight. Accenting are 14 Australian Opal 3mm Round along with 10 VVS Clarity White Topaz (.02pts each) which are Channel Set on the sides of the Band. The Ring measures 1/2" Lengthwise (North-South) x 3/8" Across (East-West). Ring is 925 Sterling Silver Filled but Stamped 925.