Real Aquamarine gemstones from Colorado so top of the line. Beautiful blue with no inclusions or defects. Aquamarine is part of the Beryl family along with Emeralds which r the most expensive gem in the world. These Aquamarines come Calibrated which means the have already been cut by a jeweler to sizes that will fit most settings. They r also Faceted which means they r cut deep to maximize light bouncing around the in the stone back to the viewer and maximizes brilliance, fire and life. Faceted cut is a better cut than tumbling or cobochon. So these gems r very much already for any owner and could possibly save a buyer money in the long run. These have been authenticated. Call **. This number is a free Magic Jack number as my phone is off at this time. Or email me at [email protected]. I am asking $30/carat ono and I have 68 3/4 carats available. They come in oval, round and pear shapes and come on sizes from 1/4 up to 2 1/2 carats