So most of the sellers give heat treatment to the Aquamarine to give it a pure blue color. The most valuable and pure Aquamarine stoneshave come in intense blue color.īut the most common color that can be seen in the market is light greenish-blue. The gemstone with moderately high intensity and slightly greenish blue to dark blue color is most valuable. It can be found in blue, greenish-blue, very slightly greenish blue, very strongly greenish blue, or in the green-blue shade. There is a very narrow color range for Aquamarine. Here we will discuss some elements that can affect the cost of Aquamarine. The sales rate of fine Aquamarine is higher than the blue topaz. The treated blue topaz competes with the Aquamarine in the commercial market. Factors that can influence the cost of Aquamarine The value will increase simultaneously with the growing carats about a range of 40% to 60%. If you want to buy a 2 to 3 carat, then you have to pay up to $1000 per carat. As per a rough chart, $660 per carat is the cost of a 1-carat Aquamarine. $90 per carat is the cost of a light blue stone which would be unheated and $180 to $250 is the cost of a light blue-green stone. The cost goes up or down according to the quality of this gemstone. $150 to $200 per carat is the cost of mid-range Aquamarines. The cost of Aquamarine depends upon the clarity, origin, color, carat, and cut.
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