Madagascar is known for producing high-quality, multi-colored sapphires:
Location
Madagascar is an island in the Indian Ocean off the southeastern coast of Africa. The Ilakaka region is the largest sapphire deposit on Earth and is known as “the home of the sapphires in colors of the rainbow”. Sapphires can also be found in northern Madagascar near Diego Suarez and Nosy Be.
Colors
Sapphires from Madagascar can be found in a variety of colors, including blue, pink, yellow, green, and purple. The colors of sapphires from northern Madagascar tend to be green, yellow, and inky blue.
Quality
Sapphires from Madagascar are known for their excellent transparency and luster.
