The stone that kicked off South Africa’s diamond rush in 1868 was a 21-carat yellow rough that was later cut into a 10.73-carat oval cushion called the “Eureka.” This find would have seemed to augur great things for the world supply of colored diamonds, especially those of the yellow variety, which until then had been as rare as any other color.


Color Strength Color Grade Great Thing World Supply Secondary Color 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© Modern Jeweler Magazine 1990

Authors and Affiliations

  • David Federman

There are no affiliations available

Personalised recommendations