How much is a 1 carat aquamarine worth? As a rough guide, a 1-carat aquamarine would cost approximately $675 per carat and a 2-3 carat aquamarine would be around $1,000 to $1,500 per carat. Why is aquamarine so expensive? In general, the purer and more intense the blue color, the more valuable the stone. Most aquamarine is a light greenish blue. ... For this reason, smaller, top-color stones might sell for more per carat than larger stones of the same color. Aquamarine, with its icy blue color, displays a magical aura. With hardness similar to that of the topaz, this sea-blue gemstone is a very good choice for daily wear. Whether it is an official or a casual event, one can never go wrong with aquamarines. |