3 Carat heart lab-grown diamonds

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

Facet Wire is tracking 3 live 3 carat heart lab-grown listings right now across 1 retailers: Ritani (3). Prices run from $2,001 to $2,036, with a median of $2,019 ($596 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 G (2 stones), the most common clarity is VS1 (2 stones).

Cheapest live 3 carat heart lab-grown listings

StoneRetailerCaratColorClarityCertPrice$/ct
GIA 3.36 Carat F-VS2 Very-Good Cut Heart Lab-Grown DiamondRitani3.36FVS2GIA 6482606076$2,001$596
GIA 3.01 Carat G-VS1 Very-Good Cut Heart Lab-Grown DiamondRitani3.01GVS1GIA 6462498247$2,019$671
IGI 7.06 Carat G-VS1 Very-Good Cut Heart Lab-Grown DiamondRitani7.06GVS1IGI LG649411286$2,036$288

Search all 1997 tracked listings →

Frequently asked questions

How much does a heart lab-grown diamond cost?

Across 3 live listings tracked by Facet Wire, heart lab-grown diamonds run from $2,001 to $2,036, with a median price of $2,019 ($596 per carat). The cheapest tracked right now is a 3.36 ct stone at Ritani for $2,001.

Which retailer is cheapest for heart lab-grown diamonds?

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

Are heart diamonds good value?

Heart stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, heart lab-grown diamonds run $596 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.