Gem Encyclopedia

Diamond

Diamonds are among nature’s most precious and beautiful creations.

The Facts

This hardest gem of all is made of just one element: carbon. It’s valued for its colorless nature and purity. Most diamonds are primeval—over a billion years old—and form deep within the earth.

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Diamond

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum

The Facts

Rubies have always been held in high esteem in Asian countries. They were used to ornament armor of noblemen in India and China.

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