Aquamarine top drilled plain marquise are superbly polished showing a vitreous luster on their translucent to transparent bodies which are a lovely symmetrical shape of a generous depth. Color indicates their Variety of Aquamarine which has likly been heated to create the stunningly beautiful blue hue. Mohs Hardness is 7.5-8 which is very good for these AA grade Aqua showing superior make and color.