Like rubies, the specific shade of green can vary depending on the exact nature and concentration of the impurities. While many associate sapphires with the color blue, these gems actually come in ...

Price per carat:$.50 - $50 Fluorite is found in shades of purple, blue and green. The stone can be highly polished and cut ...

Known for its deep red hue, rubies are highly prized and valued at around $4,625 per carat. One of the hardest and most sought-after gemstones, diamonds cost approximately $9,502.13 per carat. A light ...