Jewelry Glossary
SHAPE:
Shape is the basic outline of the diamond. Round is the most popular and the rest are called fancy shapes. These include marquise, pear, oval, heart, princess, radiant, emerald, trillion, and others.
See also:
Emerald cut
Navette cut
Baguette
Marquise cut
Heart-shaped diamond
Pear cut
Princess cut
Trapeze cut
Fancy cut
Radiant
Trillion cut
Oval cut
Cushion cut
Brilliant Cut
Ascher cut