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The Encyclopedia of AdornmentEst. 2026Every value cited
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JewelryWiki/Cuts/Marquise cut

Marquise cut

JewelryWiki Editorial·1 source·Reviewed 2026-08-04

An elongated shape with two points, maximising apparent size for its weight.

Properties

PropertyValueAuthority
Cut styleBrilliant [1]
Receives a GIA cut gradeNo [1]
GIA issues cut grades only for the standard round brilliant; all other shapes are fancy shapes and receive none.
Optical characterBrilliant faceting in an elongated outline. [1]
What to watch forTwo points rather than one, so twice the vulnerability of a pear. Bow-tie is common and no grade captures it. [1]

Sources

  1. GIA — Guide to Diamond Engagement Ring Shapes — Gemological Institute of America (GIA 4Cs, Guide to Diamond Shapes)