The gem price is dependent on clarity depth of color and to a lesser extent the purity of color.
Aquamarine stone value per carat.
It depends on the quality of the aquamarine.
Aquamarine stone value is majorly determined by its color.
Aquamarine brazil santa maria greenish blue vs vvs type i 1 500 to 2 500 per carat.
A good quality 1 carat aquamarine with intense color and high clarity might cost 100 250.
Aquamarine value since aquamarines are available in large sizes there s no incremental increase in value per carat for large gems.
A stone with a colorful history or a unique shape fetches a high price from collectors.
Prices for larger aquamarines range from about 300 to 600 per carat.
Collectors who plan to display the stone instead of wearing it have different standards.
Aquamarine s value as a gem depends on four qualities.
The highest prices are charged for the more saturated colors with the rare santa maria aquamarines in fine quality commanding prices over 1 000 per carat.
Very large specimens exist which means that aquamarine s value doesn t increase incrementally at higher carat weights.
Color cut clarity and carat weight.
Its price per carat remains relatively constant.
A 50 ct aquamarine will be worth the same price per carat as a single carat gem of equal quality.
Huge aquamarine stones have been found in brazil with notable examples papamel and marta rocha 552 500 and 173 500 cts respectively.
But color saturation should not be confused with tone.