Browse The Leo Diamond at Kay Jewelers. Shop Now »
The Leo Diamond at Kay Jewelers Shop Now
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Download the Leo Diamond® App

The Leo Diamond® App makes the ring-buying process easy and fun. Measure your ring size, virtually try on a Leo Diamond® ring and explore our collection, at home or on the go.

Download The Leo Diamond® App for access to these great features, including:

Find the Perfect Fit

Not sure what size ring to order? Our ring measuring tool makes it easy to find your approximate ring size and save it for future reference. Simply rest a ring on the center circle and rotate through the provided ring sizes to discover your perfect fit.

Try On a Leo Diamond® Ring

Want to see how a Leo Diamond® ring would look on your hand? Use our app to virtually try on any Leo Diamond® ring you want! Snap a photo of your hand and the app will virtually place your chosen ring on your finger.

Shop the Collection

Browse our jewelry in the Leo Diamond® Collection, save or share your favorites and find an authorized Leo Diamond® jeweler near you.

Trace Your Leo®

Already own a Leo Diamond®? Enter your Leo ID to get copies of your GSI or IGI and GemEx® certificates and “meet” a Leo artisan.

Test Your Diamond Cutting Skills

You won’t be able to stop playing our addictive Diamond Cutting game. Swipe the screen to cut The Leo Diamond® for points and test your skills!
Try On a Leo Diamond<sup>®</sup> Ring
Try On a Leo Diamond<sup>®</sup> Ring
Shop the Collection
Shop the Collection