Aquamarines are beautiful gemstones derived from the mineral named Beryl. They are known for their eye clean clarity and stunning blue hues. Aquamarines have a mohs hardness of 7.5- 8 , enabling them to be used to handcraft great pieces of jewelry. This lovely piece has an amazing color, as well as a unique octagonal shape - whether it be a simple solitaire or a more sophisticated pave ring, you are good to go with a beautiful blue hued Aquamarine as your centre stone!