The Medici Collection is an unparalleled collection of some of the rarest and most exquisite gemstones and minerals in the world. The collection has the distinction of being the most awarded collection in history. 

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The majority of gemstone and mineral specimens in the collection are the largest known specimens of their kind in the world, and all have been certified by the Gemological Institute of America (GIA), the world’s foremost authority on diamonds and colored stones.

 

GUINNESS WORLD RECORDS™ has awarded The Medici Collection an astonishing 28 GUINNESS WORLD RECORDS™ for the world’s largest individual gemstone and mineral specimens, with several additional record applications pending. 

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In addition to being the largest specimens of their kind in the world, several GUINNESS WORLD RECORDS™ specimens in the collection are also listed on numerous reputable lists for the world's rarest and most valuable gemstones, including the Forbes "Top 12 Most Expensive Gemstones in the World".