3 Carat princess lab-grown diamonds

Every 3 carat princess lab-grown diamond Facet Wire tracks, sorted by live price.

Facet Wire is tracking 3 live 3 carat princess lab-grown listings right now across 1 retailers: VRAI (3). Prices run from $4,760 to $5,040, with a median of $5,030 ($1,501 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 3 listings, the most common color is D (3 stones), the most common clarity is VS1 (3 stones).

Cheapest live 3 carat princess lab-grown listings

StoneRetailerCaratColorClarityCertPrice$/ct
Princess 3.17 Excellent D VS1 F640245VRAI3.17DVS1—$4,760$1,502
Princess 3.35 Excellent D VS1 F639689VRAI3.35DVS1—$5,030$1,501
Princess 3.36 Excellent D VS1 F638513VRAI3.36DVS1—$5,040$1,500

Search all 1997 tracked listings →

Frequently asked questions

How much does a princess lab-grown diamond cost?

Across 3 live listings tracked by Facet Wire, princess lab-grown diamonds run from $4,760 to $5,040, with a median price of $5,030 ($1,501 per carat). The cheapest tracked right now is a 3.17 ct stone at VRAI for $4,760.

Which retailer is cheapest for princess lab-grown diamonds?

It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across VRAI, and the same certified stone often appears at several retailers with a real price gap.

Are princess diamonds good value?

Princess stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, princess lab-grown diamonds run $1,501 per carat across our tracked retailers.

How often do these prices update?

Facet Wire re-scrapes its retailers nightly and rebuilds this page from the fresh data, so counts, medians and the cheapest listings reflect the latest run.