Here is a Sky Blue 12.10Ct Sky Blue Aquamarine. If you collect gems or love to design your own jewelry- you won't want to miss this auction. This long Blue Gem has a stunning sky blue color and it has some natural imperfections that can be seen with the naked eye. This large gem will make a great big center stone for a ring. Aquamarine is the March birthstone. This 12.10Ct Aquamarine will be auctioned to the highest bidder at $1 No Reserve.