Emerald, also known as Panna Ratna in Hindi, is a green-colored precious gemstone that comes out of the Beryl mineral group. The cost of an Emerald gemstone is determined by several factors such as cut, color, clarity, carat weight, and most significantly, its place of origin. The per-carat Panna Stone Price in India ranges from Rs. 5,000 to Rs. 5,00,000 or more depending upon the quality factors. You can find the best quality Emerald gemstones at the most reasonable price range with Navratan, the online gem Bazar.