Extra colored deep blue aquamarine, cut into a cabochon. Hand cut, cut in our house.
He comes from Congo.
Aquamarine is a stone of the throat, i.e. communication chakra. It is also said to be a stone of travelers (especially when it comes to sea travel :-) . It is one of the most popular gemstones in the world and rightly so, because there are few people who do not like at least some aquamarine!