Heart lab-grown diamonds
Live heart lab-grown diamond prices from every retailer Facet Wire tracks — same stones, different prices, one table.
Facet Wire is tracking 46 live heart lab-grown listings right now across 2 retailers: Blue Nile (24), Ritani (22). Prices run from $101 to $2,036, with a median of $688 ($583 per carat at the median). Data refreshes nightly — last build 2026-10-17.
Cheapest live heart lab-grown listings
Frequently asked questions
How much does a heart lab-grown diamond cost?
Across 46 live listings tracked by Facet Wire, heart lab-grown diamonds run from $101 to $2,036, with a median price of $688 ($583 per carat). The cheapest tracked right now is a 0.33 ct stone at Ritani for $101.
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 Blue Nile, 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 $583 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.