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Diamond History



Diamonds were formed thousands of years ago under enormous heat and pressure deep in the earth. Great volcanic eruptions many years ago forced the earth containing diamonds to the surface where they were scattered along rivers and into the oceans.

The earliest diamonds were discovered in India, in around 800 B.C. These deposits were rich enough to supply most of the world's diamonds until the eighteenth century.

Only about one-fifth of all mined diamonds could be considered of gem quality. On average, 250 tons of ore must be mined and processed to produce a one carat diamond of gem quality. When the mining operation is completed, sorters look at rough diamonds, separating them into small piles by shape, size, and quality.

The earliest record of diamond-polishing is Indian, dating back to the fourteenth century. The earliest reference to diamond cutting is in l550 in Antwerp, the most influential diamond center of the time, where a diamond-cutters' guild was subsequently established.

Today, approximately 90 percent of all diamond jewelry, including diamond engagement rings, wedding engagement rings, and diamond rings, are made from diamonds mined in African countries. The remaining diamond rough is mined in Australia, South America, Canada and Russia.

Diamonds were formed thousands of years ago under enormous heat and pressure deep in the earth. Great volcanic eruptions many years ago forced the earth containing diamonds to the surface where they were scattered along rivers and into the oceans.

The earliest diamonds were discovered in India, in around 800 B.C. These deposits were rich enough to supply most of the world's diamonds until the eighteenth century.

Only about one-fifth of all mined diamonds could be considered of gem quality. On average, 250 tons of ore must be mined and processed to produce a one carat diamond of gem quality. When the mining operation is completed, sorters look at rough diamonds, separating them into small piles by shape, size, and quality.

The earliest record of diamond-polishing is Indian, dating back to the fourteenth century. The earliest reference to diamond cutting is in l550 in Antwerp, the most influential diamond center of the time, where a diamond-cutters' guild was subsequently established.

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