ruby

Reference

Biggest Ruby in the World

The biggest ruby in the world is the Carmen Lucia Ruby, which was donated to the Smithsonian Institution’s National Gem and Mineral Collection as a gift to the American people, symbolized a husband’s eternal love for his beloved wife.

Reference

Ruby Sizes

Because of their extreme rarity, ruby sizes expressed in carats affect the prices of these precious gemstones on an exponential basis. This means that the larger it is, the more expensive it becomes on a per carat basis.