Discover the world of loose diamonds, from cuts to clarity and carats to color. Learn how to choose the best diamond for you, how diamonds are priced and certified, and how to care for your diamonds.
Diamond Education


The 4 Cs of Diamonds
A diamond definition and an overview of diamond cut, clarity, color and carat weight.

Diamond Cuts
The most important characteristic when choosing a diamond.

Diamond Color
How to choose the best diamond color for you.

Diamond Clarity
Read all about the various diamond clarity grades.

Diamond Carats
The weight/size/price connection to know about when selecting your diamond.

Diamond Shapes
From round to radiant by way of princess, oval, marquise, unique shapes and more.

Diamond Symmetry
What is it and why does it matter?

Diamond Fluorescence
Fluorescence in a diamond describes the stone's reaction to ultraviolet light. Learn more.

Calibrated Diamonds
Create a stunning presentation.

Diamond Certificates
Learn more about buying a loose diamond with or without a certificate.

GIA Certified Diamonds
GIA Certified Diamonds provide buyers peace of mind. Learn more.

Diamond Pairs
Learn about how diamonds are matched and the most popular shapes.

Diamond Prices
How to understand diamond pricing and what wholesale really means to you.

Information Resources
Find out more about diamonds from diamond organizations and leaders in the industry worldwide.

Fancy Color Diamonds
Fancy diamonds possess a natural color other than colorless or white.

Lab-Grown Diamonds
Lab grown vs natural diamonds - compare value, quality and meaning before you buy.

What Size Looks Biggest
Learn how carat weight, shape, cut, and setting all affect how large a diamond appears.