Sea-blue is the color of the gemstone aquamarine. It has different shades of blue from light green/blue to deep blue. The color of deep blue is rarer than the lighter blue. Some say that this stone prevents aging, and the lack of energy. Aquamarine is the birthstone for March and is the symbol of health, commitment, and trust.

Aquamarine is a member of the beryl family. It is one of the most famous and beautiful gems out here today. It is almost free from inclusions. An aquamarine has a hardness of 7.5-8 on the Moh's scale. Iron is the substance of the blue color in aquamarine. The more intense the color of an aquamarine, the higher value it has.

The most valuable aquamarines come from Brazil. They are also mined in Kenya, Zambia, Tanzania, Madagascar, Sri Lanka, Pakistan, Russia, and Afghanistan. The natural color of Brazilian gems leans toward bluish-green. The largest aquamarine crystal was found in Brazil in 1920. The crystals length was 19 inches long, width was 16 inches wide.

An aquamarine is always a pastel blue but the darker the color, the more valued it is. Professionals prefer a pure blue, with no green in it. Stones with a greenish tone are less expensive but still beautiful. Due to the pale color of the stone, aquamarines should have a good clarity.

Aquamarines are made into beautiful jewelry such as necklaces, rings, bracelets, pendants, earrings, and etc. When purchasing an aquamarine stone jewelry, the color is the most important. Most aquamarine stones have been heated-treated.