Nancy ZeleiDiamond Research Institute
Nancy ZeleiDiamond Research Institute

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We are leading the future of diamond research through science, precision, and innovation — advancing the understanding of diamonds from natural formation to modern applications.

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Asscher Cut Diamonds

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Asscher Cut Diamond
Asscher Cut Diamonds

Asscher Cut Diamond

A square step-cut diamond known for its geometric symmetry and deep visual effect that creates a captivating layered light pattern.

Overview

Asscher cut diamonds are a square-shaped step cut defined by their deep structure, cropped corners, and strong geometric symmetry. Developed in the early 1900s, this style is closely associated with Art Deco design and architectural elegance.

The cutting technique produces a distinctive visual quality, as light travels inward through concentric facets, producing a sense of depth and dimension rather than sharp sparkle. This results in a bold, structured aesthetic.

Due to its open and transparent facet arrangement, clarity plays a major role in its overall beauty. The institute examines these diamonds for symmetry, optical depth, and historical importance.

Details

Key Characteristics

Shape

Square step-cut, cropped corners

Symmetry

Strong geometric, Art Deco structure

Clarity

High clarity for clean visual depth

Effect

Deep, layered inward light flow

Gallery

Visual Reference

Symmetry and optical-depth documentation.

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