The culet is a tiny flat facet that may be put on the bottom of the pavilion of a diamond, parallel to the table facet at the top of the crown.
Most modern round diamonds have either no culet (also described as pointed or closed), or a very small, or small culet. Large or extremely large culets were common in diamonds cut in the early part of this century, such as the Old European or Old Mine Cut. However, such large culets are rarely seen today.
For many years all diamonds had the c...
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