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The quality of a diamond's cut is widely considered the most important of the four Cs in determining the beauty of a diamond; indeed, it is commonly acknowledged that a well-cut diamond can appear to be of greater carat weight, and have clarity and color appear to be of better grade than they actually are.
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]
The boundary between gem-quality diamonds and industrial diamonds is poorly defined and partly depends on market conditions (for example, if demand for polished diamonds is high, some lower-grade stones will be polished into low-quality or small gemstones rather than being sold for industrial use).
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 ...
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.
A cushion-shaped diamond set into a pendant with a 0.75ct Argyle pink diamond, and 4.5 carats of Argyle pinks. The stone has been given a name to fit its history, rarity and setting – the Fortuna Diamond. Classified as a Type 2A [24] with a colour grade of I and clarity grade of VVS2. [25] —
The 94.4-carat pear-shaped Cullinan III and the 63.6-carat square-cut Cullinan IV were originally set into Queen Mary's coronation crown (which also held the famous Koh-i-Noor diamond).
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.