Diamond Education

Lab Grown Diamond
Shapes Guide

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Lab Grown Diamond Shapes Guide | 4C Grown Diamond
Find Your Shape

Which Lab Grown Diamond Shape Is Right for You?

Diamond shape is one of the first decisions to make when choosing an engagement ring. From the classic brilliance of a Round diamond to the elegant proportions of an Oval or Emerald cut, every shape creates a different look.

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Popular Lab Grown Diamond Shapes

Compare popular diamond shapes and discover the unique character each one brings to an engagement ring.

Oval lab grown diamond

Oval

An elegant elongated shape that can create the appearance of greater size while maintaining beautiful brilliance.

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Compare Shapes

Lab Grown Diamond Shape Comparison

Use this quick comparison to understand the differences between popular diamond shapes.

Shape Style Sparkle Visual Size Best For
Round Classic ★★★★★ Medium Timeless engagement rings
Oval Elegant ★★★★★ Large Elongated appearance
Cushion Romantic ★★★★☆ Medium–Large Vintage styles
Emerald Sophisticated ★★★☆☆ Large Elegant minimalist rings
Radiant Modern ★★★★★ Large Modern engagement rings
Princess Contemporary ★★★★★ Medium Modern square designs
Lab grown diamond engagement ring
Buying Guide

How to Choose the Right Diamond Shape

The best diamond shape depends on your personal style, engagement ring setting, desired appearance and budget. Consider these factors before choosing your lab grown diamond.

  • Consider your personal style and the overall ring design.
  • Compare elongated and square proportions.
  • Consider how much visible surface area you want.
  • Compare brilliance and facet patterns.
  • Match the shape with your preferred ring setting.
  • Compare prices using the Diamond Price Calculator.
Shape Selection Tips

What Should You Look For?

Shape is only one part of selecting a lab grown diamond. Consider these important factors before making your decision.

01

Brilliance

Brilliant-cut shapes such as Round and Radiant are designed to produce strong light return and sparkle.

02

Proportions

Length-to-width ratio can significantly change how an elongated diamond looks on the finger.

03

Value

Different shapes can have different pricing, making shape an important consideration when comparing diamonds.

FAQ

Lab Grown Diamond Shape FAQs

What is the most popular lab grown diamond shape?

Round is one of the most popular diamond shapes because of its classic appearance and strong brilliance.

Which diamond shape looks the biggest?

Elongated shapes such as Oval, Pear and Marquise can appear larger for their carat weight because of their larger visible surface area.

Which lab grown diamond shape has the most sparkle?

Round Brilliant diamonds are widely recognized for their exceptional light performance, although other brilliant-cut shapes can also provide substantial sparkle.

Does diamond shape affect price?

Yes. Diamond shape can influence pricing because different shapes have different cutting requirements, demand and material utilization.

What is the difference between diamond shape and diamond cut?

Shape refers to the geometric outline of a diamond, while cut describes how well the diamond's facets interact with light. Round, Oval and Emerald are shapes, while cut quality is a separate grading factor.

Find Your Perfect Lab Grown Diamond

Explore certified lab grown diamonds in your favorite shape, compare prices and find the right diamond for your engagement ring.

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