1.5 Carat marquise lab-grown diamonds

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

Facet Wire is tracking 22 live 1.5 carat marquise lab-grown listings right now across 2 retailers: With Clarity (14), Frank Darling (8). Prices run from $873 to $2,447, with a median of $1,234 ($663 per carat at the median). Data refreshes nightly — last build 2026-10-17.

Cheapest live 1.5 carat marquise lab-grown listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
IGI 1.51 Carat F-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.51	F	VS1	IGI 844678573	$873	$578
IGI 1.51 Carat E-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.51	E	VS1	IGI 842615318	$892	$591
IGI 1.55 Carat F-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.55	F	VS1	IGI 833698234	$907	$585
IGI 1.53 Carat F-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.53	F	VVS2	IGI 818681243	$914	$597
IGI 1.51 Carat E-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.51	E	VVS2	IGI 841632370	$922	$611
IGI 1.51 Carat E-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.51	E	VS1	IGI 843611465	$932	$617
IGI 1.55 Carat E-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.55	E	VS1	IGI 836671414	$946	$610
IGI 1.57 Carat E-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.57	E	VVS2	IGI 836601875	$958	$610
IGI 1.95 Carat F-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.95	F	VVS2	IGI 766616714	$1,165	$597
IGI 1.85 Carat E-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.85	E	VVS2	IGI 818668526	$1,178	$637
IGI 1.87 Carat E-VVS2 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.87	E	VVS2	IGI 799649258	$1,191	$637
IGI 1.51 Carat D-VS1 Ideal Cut Marquise Lab-Grown Diamond	With Clarity	1.51	D	VS1	IGI 825661619	$1,276	$845

Search all 541 tracked listings →

Frequently asked questions

How much does a marquise lab-grown diamond cost?

Across 22 live listings tracked by Facet Wire, marquise lab-grown diamonds run from $873 to $2,447, with a median price of $1,234 ($663 per carat). The cheapest tracked right now is a 1.51 ct stone at With Clarity for $873.

Which retailer is cheapest for marquise lab-grown diamonds?

It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across With Clarity, Frank Darling, and the same certified stone often appears at several retailers with a real price gap.

Are marquise diamonds good value?

Marquise stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, marquise lab-grown diamonds run $663 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.