MARQUISE

A CUT GEMSTONE WITH A BOAT LIKE SHAPE (55 FACETS); AN OVAL WITH TWO POINTED ENDS. THIS GEM CUT IS SOMETIMES CALLED A “NAVETTE”.
ACCORDING TO THE LEGEND, THE TAILLE “NAVETTE” WAS CALLED “MARQUISE” BY THE KING LOUIS XIV IN HOMAGE TO THE MARQUISE OF POMPADOUR.