THE WORLD OF DIAMONDS

come from the Greek word addamas meaning (invisible).

For many centuries, the only place diamonds were found was India, and early in the

eighteenth century, Diamond also began to be mined in Brazil, in the second half of the

nineteenth century they began to be mined in South Africa, which become the chief

world source of diamond.

Since the beginning of the twentieth center diamonds have also been found in Tanzania,

Zaire, Angola, Venezuela, etc.

The world’s largest gem quality diamond, the Cullinan, was found in south Africa in

1905, uncut, it wait 3025 carats.

The centenary, found in 1986, was polished from 599 carats gem, the rough diamond was

cut in various stones.

The purpose of this book is to uncover some of these mysteries and to inform the reader

about the main characteristics of diamond, their chemical and physical properties, the 4Cs

grading (carat, color, clarity and cut), fancy and few famous diamonds.