1.5 Carat oval lab-grown diamonds

Every 1.5 carat oval lab-grown diamond Facet Wire tracks, sorted by live price.

Facet Wire is tracking 59 live 1.5 carat oval lab-grown listings right now across 7 retailers: Frank Darling (16), With Clarity (15), MiaDonna (15), Ritani (8), Blue Nile (2), Ada Diamonds (2), VRAI (1). Prices run from $651 to $4,239, with a median of $1,072 ($650 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 59 listings, the most common color is D (30 stones), the most common clarity is VVS2 (18 stones).

Better value: D color / VS1 clarity is the cheapest well-stocked spec combination here — 12 listings at a median of $591 per carat.

Cheapest live 1.5 carat oval lab-grown listings

StoneRetailerCaratColorClarityCertPrice$/ct
IGI 1.76 Carat E-VVS1 Very-Good Cut Oval Lab-Grown DiamondRitani1.76EVVS1IGI LG775630088$651$370
IGI 1.5 Carat E-VVS1 Very-Good Cut Oval Lab-Grown DiamondRitani1.50EVVS1IGI LG844661492$651$434
IGI 1.56 Carat D-VVS1 Very-Good Cut Oval Lab-Grown DiamondRitani1.56DVVS1IGI LG788621183$653$419
IGI 1.54 Carat E-IF Very-Good Cut Oval Lab-Grown DiamondRitani1.54EIFIGI LG737571735$653$424
IGI 1.53 Carat D-IF Very-Good Cut Oval Lab-Grown DiamondRitani1.53DIFIGI LG800681261$655$428
IGI 1.84 Carat E-VVS1 Good Cut Oval Lab-Grown DiamondRitani1.84EVVS1IGI LG825654021$657$357
IGI 1.51 Carat D-VVS1 Very-Good Cut Oval Lab-Grown DiamondRitani1.51DVVS1IGI LG797668662$658$436
IGI 1.5 Carat F-VVS2 Excellent Cut Oval Lab-Grown DiamondWith Clarity1.50FVVS2IGI 778676088$766$511
IGI 1.5 Carat F-VVS2 Excellent Cut Oval Lab-Grown DiamondWith Clarity1.50FVVS2IGI 778676088$803$535
IGI 1.5 Carat F-VVS2 Excellent Cut Oval Lab-Grown DiamondWith Clarity1.50FVVS2IGI 778676088$803$535
IGI 1.53 Carat D-VS1 Excellent Cut Oval Lab-Grown DiamondWith Clarity1.53DVS1IGI 807612612$835$546
IGI 1.66 Carat D-VS1 Excellent Cut Oval Lab-Grown DiamondWith Clarity1.66DVS1IGI 766665329$850$512

Search all 1997 tracked listings →

Frequently asked questions

How much does a oval lab-grown diamond cost?

Across 59 live listings tracked by Facet Wire, oval lab-grown diamonds run from $651 to $4,239, with a median price of $1,072 ($650 per carat). The cheapest tracked right now is a 1.76 ct stone at Ritani for $651.

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 Frank Darling, With Clarity, MiaDonna, Ritani, Blue Nile, 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 $650 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.