Panama Stone, also called emerald stone and Panna ratna, is a highly precious stone of the Beryl family, known to bring success, financial security, and abundance in the life of the wearer. Ruled by planet Mercury, the panama stone is the birthstone for May, beneficial to Gemini (mithun), Virgo (kanya), Taurus, Libra, Capricorn, and Aquarius signs. The panama stone price ranges from INR 2,000 to 5,00,000 per carat, and depends on factors like color, cut, clarity, carat weight, and the origin. So the ones in bright green color with minimal inclusions and refined cut will cost the maximum.