0.55-0.70 Cts of 6x4 mm AA Emerald cut Natural Aquamarine ( 1 pc ) Loose Gemstone The loose emerald-cut Aquamarine is a fine AA quality light-blue colored gem measuring 6x4 mm. Aquamarine is a blue beryl available in a range of pale blue to beautiful aqua blue, deep sky blue stones are most valuable. Natural Aquamarines are usually pale or very light blue therefore they are treated to enhance the color. 30 Day No questions asked Return Policy Free-Shipping within US Loose Aquamarine / March Birthstone You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!