Genuine Blue Star Sapphire Gemstone 6-Ray Floating Star Solid 925 Sterling Silver Handmade in USA This sterling silver blue star sapphire ring ensconces a genuine, earth-mined star sapphire gemstone accented by genuine white sapphire gemstoness. Oval-shaped, the blue star sapphire displays a 6-ray floating star / asterism (under direct sunlight). The gemstones are set in a solid 925 sterling silver halo-style ring setting.