Love the clean lines, inverted pyramid profile and X pattern of brilliance of the princess cut? This straight edged modern diamond cut with sparkling facets is the star of a one-carat princess cut diamond ring. Finding the best one-carat princess cut diamond to fit your budget is easy with the help of artificial intelligence: ROSI, our digital gemologist, sorts through all the one carat princess cut diamonds available on the market today to find the best balance of quality and value. Once you find the one diamond you want to spend the rest of your life with, we’ll craft your diamond ring to order just for you in our California studio in your choice of recycled precious metals. And a completely bespoke one-carat princess cut diamond ring will be better quality and a better value than a mass-produced engagement ring from a traditional jeweler.