STAR WILL BE VISIBLE WHEN THE STONE IS UNDER THE LIGHT. GEM TYPE : NATURAL STAR SAPPHIRE 6 RAYS. The item "Natural Blue Star Sapphire Oval Cabochon 6 Rays Loose Gemstones" is in sale since Wednesday, July 4, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires".The seller is "gemsbysun" and is located in Bangkok, Bangkok. This item can be shipped worldwide.