The Lightbox 4C's

Learn about the internationally recognized standards of the diamond '4 C's', and how Ligthbox’s leading technology means our lab-grown diamonds are among the highest quality you can find.

• Diamond Cut
• Diamond Carat
• Diamond Clarity
• Diamond Color

Lab-grown and natural diamonds: A Guide

Understand all your glittering options as we explain the differences between buying natural diamonds and lab-grown diamonds.

Lab-grown diamond vs simulated diamond

Lab-grown diamonds have the same chemical, physical and optical properties as natural diamonds, but simulants like White Sapphire, Moissanite, and Cubic Zirconia do not.

• Moissanite vs Diamond: A Comparison
• White Sapphire vs. Diamond: A Comparison

Colored lab-grown diamond guide

Colored diamonds are a natural or lab-grown diamond with a beautiful hued body color rather than classic white diamonds.

• A Guide to Pink Diamonds
• A Guide to Blue Diamonds

Diamond shape guide

Round brilliant, princess or cushion? Explore our ultimate diamond shape guide to finding your soon-to-be-treasured lab-grown diamond for every day.

• Round Cut Diamond Guide and Size Chart
• Princess Cut Diamond Guide and Size Chart
• Cushion Cut Diamond Guide and Size Chart
• Heart Cut Diamond Guide and Size Chart

About diamond fluorescence

We all know a diamond sparkles, but did you know a diamond can also glow? It’s called diamond fluorescence.