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The diamond was discovered by William P. “Punch” Jones and his father, Grover C. Jones, Sr. while pitching horseshoes in April 1928. Believed to be simply a piece of shiny quartz common to the area, the stone was kept in a wooden cigar box inside a tool shed for fourteen years throughout the Great Depression.
The Regent Diamond is a 140.64-carat (28.128 g) diamond owned by the French state and on display in the Louvre, worth £48,000,000 as of 2015. Mined in India and cut in London, it was purchased by the regent of France in the early 18th century.
The cardinal bequeathed the diamond to the king upon his death in 1661. The Sancy was thus domiciled in France but disappeared during the French Revolution when brigands raided the Garde Meuble (Royal Treasury). As well as the Sancy, other treasures stolen were the Regent Diamond, and the French Blue diamond which is known today as the Hope ...
Diamond cutting is the art and science of creating a gem-quality diamond out of mined rough. The cut of a diamond describes the manner in which a diamond has been shaped and polished from its beginning form as a rough stone to its final gem proportions. The cut of a diamond describes the quality of workmanship and the angles to which a diamond ...
Diamonds became popular as ornaments in jewelry in the 1400s and the different techniques and styles of diamond cuts were gradually developed over many years. [4] Lodewyk van Bercken was a Flemish diamond polisher who invented the scaif. This ingenious polishing wheel enabled him to quickly cut facets into diamonds with precision.
Sketch of the Orlov diamond from the book Precious Stones by Max Bauer, 1904. A description was given by Eric Burton in 1986: The sceptre is a burnished shaft in three sections set with eight rings of brilliant-cut diamonds, including some of about 30 carats (6 g) each and fifteen weighing about 14 carats (2.8 g) each.
The discovery of diamond-bearing kimberlites in the 1870s in Kimberley sparked a diamond rush, transforming the area into one of the world’s largest diamond-producing regions. Since then, the association between kimberlites and diamonds has been crucial in the search for new diamond deposits around the globe. [22] [23]