Engagement Ring Guides

Our convenient guide walks you through various methods and considerations when finding your ideal ring size at home.

Explore, try on, and customize. Whether online or with a Jewelry Expert, KAY brings your vision to life.

All of our products are responsibly sourced, and we use our scale for good to advance human rights while preserving our planet.

In this guide you’ll learn all about the foundation of fine jewelry-the metals used to make them.

Discover the 4 Cs and learn all about how they contribute to the look and price of diamonds.

The unique unit of weight measurement used to weigh gems and diamonds is referred to as carat

Of the 4Cs, a diamond's cut has the greatest influence on how a diamond reflects, making it arguably the most important

When talking about a diamond’s color, we’re referring to its natural body color – not the spectrum of light it reflects.

Clarity is the degree to which a diamond is free from flaws, which can hinder light as it passes through your diamond.