Millions of years ago, deep within the earth's surface, great heat and pressure combined to form the most precious of mankind's gems...

Natural Color Diamonds

Photo courtesy of Rio Tinto Diamonds


How Diamonds Are Formed
Diamonds, composed almost entirely of carbon molecules, crystallize and form under intense heat and pressure about 150 kilometers down and within the Earth's mantle, just above the Earth's molten core ...more

What Gives A Diamond Color
The physical conditions necessary to color a diamond naturally occur very scarcely making natural color diamonds extremely rare. How rare? ...more

The Geography of Natural Color Diamonds
It is a modern misconception that the world's diamonds come primarily from South Africa: diamonds are a world-wide resource Today diamonds are mined in about 25 countries, on every continent but Europe and Antarctica ...more

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"Gems are the flowers of
the mineral kingdom and
the fancy colored
diamond is the orchid."
R.J. Haüy, 1817