Watch our video and imagine the possibilities for this amazing gem! The item "Natural Untreated Steel Blue Sapphire, 5.91ct. (U3673)" is in sale since Friday, December 20, 2013. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires". The seller is "thenaturalsapphireco" and is located in New York, New York.This item can be shipped worldwide.