We make the following calibrated sizes in aquamarine and can even make other in-between sizes as well. For rounds, we can cut step cut and brilliant cut (diamond cut) or star cut. For squares, we can cut step cut and princess cut and and special cuts such as french cut as well. If you have a particular cut or shape or design, we can do that according to your specifications. We have various shades of aquamarine starting from AAA (3A - Santa Maria - darkest), AA (2A), A (1A), B and C (Lightest)