Diamonds are among nature’s most precious and beautiful creations.
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.
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum
Rubies have always been held in high esteem in Asian countries. They were used to ornament armor of noblemen in India and China.