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Indian Sanscrit texts document their discovery for the first time. Diamonds have a long tradition in India
Arrival in Europe. Through Persia, Syria and Italy the first diamonds found their way to Europe.
Beginning of cutting and polishing
Discovery of sea routes to India by the Portugese. More and more
diamonds reach Europe- estimates see their numbers at about two thousand
carat per year. This lead to the development of different cut
variations. Only by using another diamond one could work on diamonds. In
1600 the art of cutting and polishing was developed also in Germany
First diamonds were discovered outside of India: In Brasil. Within the
next 150 years between 100 and 200 thousand carats were exported to
Discovery of diamond fields in South Africa close to the city Kimberley.
The volcanic rocks of former vulcanos through which diamonds were
transported to the surface from depths of over 150 km is called
kimberlite. Bringing these facts to light a new era in the diamond
industry began: Production was increased tremendously while diamonds
became more available and more popular at the same time. Diamond
production increased from 1.8 million carats in 1877 to 6 million carats
Cecil Rhodes established the company De Beers Consolidated Mines Ltd.,
that controlled 90% of the South African diamond production
Two years later the so called „London Diamond Syndicate“ was formed, a
cooperation of 10 English diamond dealers that quasi had a monopoly on
selling South African rough diamonds by buying all of De Beer´s
production to fixed prices. Sales and distribution of the diamonds was
organised by spin-off companies like the Central Selling Organisation
(CSO) or the Diamond Trading Company (DTC).
Ernst (laterErnest) Oppenheimer bought shares of De Beers with his
company Anglo American and made it to the board of directors. Three
years later he was already chairman of the board and led the company´s
successfully not only through the economic crisis of the 1930s but also
made it dominate the entire market. Oppenheimer himself was born in the
small town of Friedberg in Hessia (Germany).
Diamond deposits in Russia were discovered and exploited since 1956
Production of synthetic diamonds for industrial uses
First large synthetic diamond above 1 carat
Global rough diamond production: 50 million carats, i.e. 10 tons
Global rough diamond production: 100 million carats, i.e. 20 tons
Global rough diamond production: 176 million carats, i.e. 35 tons
Global rough diamond production: 168 million carats, i.e. 34 tons