Blue sapphire, also known as Neelam Ratna in Hindi, is a blue-colored precious gemstone that comes out of the Corundum mineral group. The cost of a blue sapphire gemstone is determined by several different factors such as cut, color, clarity, carat weight, and most significantly, its place of origin. The per-carat Neelam Stone Price in India ranges from Rs. 2,000 to Rs. 5,00,000 and even above depending upon the quality factors. You can find the best quality blue sapphire gemstones at the most affordable price range with Navratan, the online gem Bazar.