Oval lab-grown diamonds
Live oval lab-grown diamond prices from every retailer Facet Wire tracks — same stones, different prices, one table.

Facet Wire is tracking 1144 live oval lab-grown listings right now across 9 retailers: New World Diamonds (846), MiaDonna (88), Ritani (71), Frank Darling (57), With Clarity (39), Friendly Diamonds (23), VRAI (10), Ada Diamonds (8), Blue Nile (2). Prices run from $235 to $33,795, with a median of $1,375 ($613 per carat at the median). Data refreshes nightly — last build 2026-10-22.
Most popular / better value
Across these 1144 listings, the most common color is D (494 stones), the most common clarity is VVS2 (665 stones).
Better value: D color / VVS2 clarity is the cheapest well-stocked spec combination here — 243 listings at a median of $520 per carat.
Cheapest live oval lab-grown listings
Frequently asked questions
How much does a oval lab-grown diamond cost?
Across 1144 live listings tracked by Facet Wire, oval lab-grown diamonds run from $235 to $33,795, with a median price of $1,375 ($613 per carat). The cheapest tracked right now is a 0.85 ct stone at New World Diamonds for $235.
Which retailer is cheapest for oval lab-grown diamonds?
It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across New World Diamonds, MiaDonna, Ritani, Frank Darling, With Clarity, Friendly Diamonds, VRAI, Ada Diamonds, Blue Nile, and the same certified stone often appears at several retailers with a real price gap.
Are oval diamonds good value?
Oval stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, oval lab-grown diamonds run $613 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.