Lab Diamond Princess

This collection holds loose princess cut lab grown diamonds: square stones with sharp corners and a brilliant facet pattern, sold on their own rather than set in jewelry. Sizes run from a quarter carat to just over three carats, with most stones around one carat.

Colors and clarity

Colorless stones are mostly D, E or F color, with some G and I stones, and clarity from VVS1 to SI1. Fancy color princess cuts come in vivid and intense pink, blue, green and yellow, plus brown and pink brown tones. Each listing names the carat weight, color and clarity of that stone in its title, and some also name a grading report.

How to choose a princess cut stone

Most princess cuts are close to square, so compare the stones by carat weight, then color and clarity. Their pointed corners are the most delicate part, so they are usually set with prongs that cover each corner. Princess cuts also suit stud earrings. Looking for a finished ring instead? Browse our lab diamond engagement rings, solitaire rings and halo rings.

FAQs

Are these real diamonds?

Yes. Lab grown diamonds are real diamonds with the same chemistry as mined ones. Our comparison guide explains how they differ from moissanite.

How big will the stone look?

Our diamond size chart shows typical face-up sizes by carat weight, which helps you compare stones.

Is the stone set in jewelry?

No. These are loose stones sold on their own. Our support team (10 am to 7 pm) can answer questions about a stone before you order.