1.5 Carat lab-grown diamonds

All 1.5 carat lab-grown diamonds tracked right now, every shape, every retailer, sorted by price.

Facet Wire is tracking 82 live 1.5 carat lab-grown listings right now across 4 retailers: Ada Diamonds (32), With Clarity (30), Frank Darling (19), Blue Nile (1). Prices run from $755 to $3,775, with a median of $1,592 ($935 per carat at the median). Data refreshes nightly — last build 2026-10-17.

Cheapest live 1.5 carat lab-grown listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
IGI 1.51 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond	With Clarity	1.51	F	VS1	IGI 840611154	$755	$500
IGI 1.85 Carat G-SI2 Super Ideal Cut Round Lab-Grown Diamond	Frank Darling	1.85	G	SI2	IGI LG582386137	$755	$408
IGI 1.54 Carat K-VVS2 Very Good Cut Heart Lab-Grown Diamond	Blue Nile	1.54	K	VVS2	IGI	$756	$491
IGI 1.91 Carat H-VS2 Super Ideal Cut Round Lab-Grown Diamond	Frank Darling	1.91	H	VS2	IGI LG593382405	$756	$396
IGI 1.51 Carat E-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.51	E	VS1	IGI 833685171	$765	$507
IGI 1.51 Carat F-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.51	F	VS1	IGI 835698575	$765	$507
IGI 1.51 Carat E-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.51	E	VS1	IGI 835699248	$765	$507
IGI 1.53 Carat E-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.53	E	VS1	IGI 835698371	$776	$507
IGI 1.59 Carat F-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.59	F	VS1	IGI 776629421	$795	$500
IGI 1.57 Carat D-VS1 Excellent Cut Round Lab-Grown Diamond	With Clarity	1.57	D	VS1	IGI 786625019	$810	$516
IGI 1.55 Carat H-VS1 Very Good Cut Pear Lab-Grown Diamond	Frank Darling	1.55	H	VS1	IGI 782659919	$849	$548
IGI 1.55 Carat D-VS1 Ideal Cut Pear Lab-Grown Diamond	With Clarity	1.55	D	VS1	IGI 800612265	$856	$552

Search all 541 tracked listings →

Frequently asked questions

How much does a 1.5 carat lab-grown diamond cost?

Across 82 live listings tracked by Facet Wire, 1.5 carat lab-grown diamonds run from $755 to $3,775, with a median price of $1,592 ($935 per carat). The cheapest tracked right now is a 1.51 ct stone at With Clarity for $755.

Which retailer is cheapest for 1.5 carat lab-grown diamonds?

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

Are 1.5 carat diamonds good value?

1.5 Carat stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, 1.5 carat lab-grown diamonds run $935 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.