Nadia & Co. · The jewelry journal
Diamond education
Your guide to a brilliant choice.
Start with the details that matter to you. Explore shapes, understand quality and find your way to the right diamond.
Explore below
The details make the difference
A shape for your style.
Tap a silhouette to explore how it looks. Shape describes the outline; cut describes how the facets interact with light.
Find your silhouette
Round
Classic and balanced. A round outline brings a symmetrical look to almost any setting.
Illustrations compare outlines, not actual diamond size or light performance.
Find your silhouette
Oval
Soft and elongated. An oval outline creates a graceful line along the finger.
Illustrations compare outlines, not actual diamond size or light performance.
Find your silhouette
Emerald
Clean and architectural. Step-cut facets create broad flashes and a hall-of-mirrors effect.
Illustrations compare outlines, not actual diamond size or light performance.
Find your silhouette
Pear
A distinctive teardrop. A rounded end meets a point for an expressive, directional silhouette.
Illustrations compare outlines, not actual diamond size or light performance.
A little knowledge goes a long way.
Choose a guide and explore at your own pace.
02
Diamond basics: the 4Cs
Explore cut, color, clarity and carat.
Explore the guide 03What is a lab-grown diamond?
Compare natural and lab-grown origins.
Explore the guide 04How are lab-grown diamonds made?
See the CVD and HPHT processes.
Explore the guide 05Are lab-grown diamonds real?
Understand diamonds and lookalikes.
Explore the guide 06Ring size guide
Measure, compare and find your fit.
Explore the guideSources & further reading
Educational references used in these guides. Illustrations are simplified and do not grade or authenticate a gemstone.