The House of KOJ | Est. 1999

Natural GIA Certified Diamonds

Explore GIA-certified natural diamonds in your favorite shapes. Compare carat weight, color, clarity and price, view grading report details, and choose a setting to create your engagement ring.

Choosing a GIA-certified natural diamond

Browse the available diamonds and compare their GIA report details, measurements and proportions alongside carat weight. Open a diamond to view its images, price and grading information before choosing your setting.

Which grading laboratory is included?

This natural diamond search includes GIA-graded diamonds. You can search by GIA report number using the certificate search box.

Can I compare lab grown diamonds?

Yes. Switch to Lab Grown above or visit our certified lab grown diamonds page.

Can I choose a setting after my diamond?

Yes. Select a diamond to view its details and continue to choose a compatible setting. Contact our jewelers for help comparing stones or planning your ring.