Aquamarine Gemstone Aquamarine Stone Color Chart

Aquamarine grading chart august 2020.

Aquamarine gemstone aquamarine stone color chart.

Aquamarine is a green blue variety of the mineral beryl named after its characteristic color ranging from light blue to cyan and to bluish green. However care must be taken not to overheat the gemstone as it may become colorless. The gem s most valuable color is a dark blue to slightly greenish blue with moderately strong intensity. Smaller sized aquamarines less than 5mm aquamarines typically have a lighter shade as their size limits their ability to showcase a deep blue color.

Very large specimens exist which means that aquamarine s value doesn t increase incrementally at higher carat weights. The value of aquamarine gemstones is very much determined by their aesthetics. As with most gemstones the 4c s of cut color carat and clarity all come into play when pricing this gemstone. The most famous aqua blue gemstone is aquamarine.

It has all the elements a beautiful color high hardness and high transparency. The santa maria aquamarine is a uniquely saturated blue gemstone originally mined in santa maria de itabira in brazil. In general the purer and more intense the blue color the more valuable the stone. Color is probably one of the more important determinants of aquamarine value.

Even though some buyers may prefer aquamarine gems that have a light green shimmer in them the most valuable stone is the pure clear blue aquamarine gemstone. It is known to be large in size well formed making it particularly valuable. Color aquamarine s color range is very narrow. It can be blue very slightly greenish blue greenish blue very strongly greenish blue or green blue.

Color can be enhanced by radiation but these changes do not last for instance the deep blue color of maxixe a rare variety of deep blue aquamarine is believed to be derived from. Its price per carat remains relatively constant. What is the best color for aquamarine gemstones. A very important part of the value of color in aquamarine as it is with most gemstones is the evenness of the color a consistent color throughout the crystal with no visible color zoning.

Aquamarine gemstone is the green blue to blue variety of the mineral beryl. The high quality ones are valuable and very expensive. Aquamarine grading chart aquamarine colour aquamarine stone alphabet crystal system color scale family tattoos blue zircon birthstone jewelry gems and minerals. It is famous as a gemstone that can improve the luck flow.