Asscher cut
A square diamond with cropped corners and step-cut facets, nearly octagonal in outline.
Easily confused with
How to read it
GIA describes the Asscher as a square step cut with a high crown and a small table, giving a “hall of mirrors” look like an emerald cut in a more compact form. Its cropped corners make the outline nearly octagonal, the Israeli Diamond Institute notes, and older stones with large bevels can look octagonal.
Also searched as: asscher cut diamond, asscher diamond, royal asscher.
Grades describe a stone as a grading laboratory saw it. This page explains the grading scales; it doesn’t grade or value any stone.
Read next
- Next in Diamond gradingFL and IF (flawless, internally flawless)The top two clarity grades: FL shows no inclusions or blemishes under 10x magnification, IF shows no inclusions but has blemishes.
- The same shape in Acura dashboard symbolsAcura Road Departure Mitigation (RDM) indicatorAcura’s Road Departure Mitigation (RDM) indicator comes on when there is a problem with RDM or when the system has shut itself off. RDM is the Acura system that warns, steers and sometimes brakes when the car is about to cross detected lane markings or leave the road.
More diamond grading
The same shape elsewhere
Browse symbols drawn with lines or squares and rectangles.
Sources
- Guide to Diamond Engagement Ring Shapes (GIA 4Cs), Gemological Institute of America
- Asscher Cut (Israeli Diamond Institute, Wikidiamond), Israeli Diamond Institute
- The History of Asscher Cut Diamonds (International Gem Society), International Gem Society
Researched, edited and approved by Rory Hansen before publishing. Last reviewed September 28, 2026. How we research
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