Shop › Natural Star Sapphire Ring Image 1 of 2 Image 2 of 2 Natural Star Sapphire Ring $1,500.00 Incredible 2.5 carat natural star sapphire ring set in sterling silver. One ring Available, Size Seven.If you have any questions please reach out! Add To Cart Added! Incredible 2.5 carat natural star sapphire ring set in sterling silver. One ring Available, Size Seven.If you have any questions please reach out!