Aquamarine Gemstone Aquamarine Stone Color Chart

Very large specimens exist which means that aquamarine s value doesn t increase incrementally at higher carat weights.

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. Color is probably one of the more important determinants of aquamarine value. Aquamarine gemstone is the green blue to blue variety of the mineral beryl. Aquamarine grading chart august 2020.

It has all the elements a beautiful color high hardness and high transparency. Smaller sized aquamarines less than 5mm aquamarines typically have a lighter shade as their size limits their ability to showcase a deep blue color. As with most gemstones the 4c s of cut color carat and clarity all come into play when pricing this gemstone. The gem s most valuable color is a dark blue to slightly greenish blue with moderately strong intensity.

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. Aquamarine grading chart aquamarine colour aquamarine stone alphabet crystal system color scale family tattoos blue zircon birthstone jewelry gems and minerals. It is a gemstone that has a long history and it has been used as a special amulet from ancient times. Its price per carat remains relatively constant.

Color aquamarine s color range is very narrow. Lower quality aquamarine gemstones are heated to 400 450 degree c to change the color to desired permanent aquamarine blue. It is famous as a gemstone that can improve the luck flow. What is the best color for aquamarine gemstones.

However care must be taken not to overheat the gemstone as it may become colorless. In general the purer and more intense the blue color the more valuable the stone. The value of aquamarine gemstones is very much determined by their aesthetics. It is known to be large in size well formed making it particularly valuable.

The santa maria aquamarine is a uniquely saturated blue gemstone originally mined in santa maria de itabira in brazil. 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. The high quality ones are valuable and very expensive. Aquamarine named for the latin phrase water of the sea is the blue to blue green variety beryl beryl also contains other gem varieties including emerald and some lesser known varieties such as morganite and heliodor aquamarine ranges in color from a faint light blue to blue and bluish green with lighter colored stones being the more common type.