The large scope of potential global public health threats is recognized in the revised International Health Regulations (IHR [2005])3 with its all-hazards approach to assessing serious public health threats.
How much is it? On average, a high-quality peridot stone can cost anywhere from $50 to $200+ per carat. Larger peridots that are exported from foreign countries can cost as much as $500+ per carat. Generally, stones mined from Burma, Pakistan and Arizona can command the highest prices.
Ring #4; a Sterling Silver Amethyst and Peridot Ring sized to 7.75, Cost to Size $29.00. This ring was a simple sizing from size 7. We were careful of heat conductivity with the gems. The shank was not super thick.