1 Carat oval lab-grown diamonds
Every 1 carat oval lab-grown diamond Facet Wire tracks, sorted by live price.
Facet Wire is tracking 53 live 1 carat oval lab-grown listings right now across 7 retailers: Ritani (23), MiaDonna (8), Friendly Diamonds (7), Frank Darling (7), With Clarity (5), Ada Diamonds (2), VRAI (1). Prices run from $401 to $2,072, with a median of $653 ($516 per carat at the median). Data refreshes nightly — last build 2026-10-18.
Most popular / better value
Across these 53 listings, the most common color is D (40 stones), the most common clarity is VVS2 (21 stones).
Better value: D color / VVS2 clarity is the cheapest well-stocked spec combination here — 17 listings at a median of $273 per carat.
Cheapest live 1 carat oval lab-grown listings
Frequently asked questions
How much does a oval lab-grown diamond cost?
Across 53 live listings tracked by Facet Wire, oval lab-grown diamonds run from $401 to $2,072, with a median price of $653 ($516 per carat). The cheapest tracked right now is a 1.49 ct stone at Ritani for $401.
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 Ritani, MiaDonna, Friendly Diamonds, Frank Darling, With Clarity, Ada Diamonds, VRAI, 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 $516 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.