3 Carat oval lab-grown diamonds

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

Facet Wire is tracking 11 live 3 carat oval lab-grown listings right now across 4 retailers: MiaDonna (4), VRAI (4), Frank Darling (2), Ritani (1). Prices run from $2,505 to $9,599, with a median of $5,090 ($1,049 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 11 listings, the most common color is D (6 stones), the most common clarity is VVS2 (4 stones).

Cheapest live 3 carat oval lab-grown listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
IGI 3 Carat D-IF Very-Good Cut Oval Lab-Grown Diamond	Ritani	3.00	D	IF	IGI LG689569094	$2,505	$835
4.53 Carat Oval Shaped, Ideal Cut, F Color, VVS2 Clarity, IGI Certified Lab Grown Diamond	MiaDonna	4.53	F	VVS2	IGI 809626398	$2,639	$583
Lab Diamond [ID: 100188188118BD]	Frank Darling	3.00	F	VS1	IGI LG815608507	$3,146	$1,049
5.40 Carat Oval Shaped, Ideal Cut, E Color, VS2 Clarity, IGI Certified Lab Grown Diamond	MiaDonna	5.40	E	VS2	IGI LG660483189	$4,309	$798
Oval 3.36 Excellent D VS1 F602135	VRAI	3.36	D	VS1	—	$5,040	$1,500
7.01 Carat Oval Shaped, Ideal Cut, F Color, VVS2 Clarity, IGI Certified Lab Grown Diamond	MiaDonna	7.01	F	VVS2	IGI 841688174	$5,090	$726
Oval 3.83 Excellent D VS2 F599579	VRAI	3.83	D	VS2	—	$5,750	$1,501
Lab Diamond [ID: P82U-35EL]	Frank Darling	3.00	D	FL	IGI P82U-35	$6,037	$2,012
Oval 4.09 Excellent D VS2 LAX11-172A	VRAI	4.09	D	VS2	—	$6,140	$1,501
Oval 3.79 Excellent D VVS2 F637791	VRAI	3.79	D	VVS2	—	$6,250	$1,649
10.10 Carat Oval Shaped, Ideal Cut, F Color, VVS2 Clarity, IGI Certified Lab Grown Diamond	MiaDonna	10.10	F	VVS2	IGI 840622421	$9,599	$950

Search all 1997 tracked listings →

Frequently asked questions

How much does a oval lab-grown diamond cost?

Across 11 live listings tracked by Facet Wire, oval lab-grown diamonds run from $2,505 to $9,599, with a median price of $5,090 ($1,049 per carat). The cheapest tracked right now is a 3.00 ct stone at Ritani for $2,505.

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 MiaDonna, VRAI, Frank Darling, Ritani, 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 $1,049 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.