The American museum of natural history in New York City has extended the exhibit of world’s rarest natural color diamonds. The Olympia diamond collection comprises five diamonds in blue – green, orange – yellow, purplish – pink, blue and orange. Each gem is individually examined by the gemological institute of America (GIA) and graded as vivid.

The diamond size ranges from 1.01 carats to 2.34 carats and represents five of the strongest colors that naturally occur in a diamond. The scarselli 1.17 carat heart-cut, natural red color diamond is the largest one in the world graded as fancy red by the GIA and has an estimated value of some $10.

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