80
% of the world’s diamonds are not fit to be used in jewelry.
Less
than 2% of diamonds are of a high enough quality to be considered investment
grade.
Experts
estimate in 30 to 40 years that all known supplies of diamonds will be
depleted.
Jewish
priests used diamonds to determine the fate of an accused person. They
believed that a diamond dulled and grew darker when held before a guilty
person and grew brighter when before an innocent person.
Only
a diamond can cut another diamond.
Diamonds
originate about 75 miles below the surface of the earth.
Plato
wrote of diamonds as living things containing celestial spirits.