1 Carat lab-grown diamonds

All 1 carat lab-grown diamonds tracked right now, every shape, every retailer, sorted by price.

Facet Wire is tracking 288 live 1 carat lab-grown listings right now across 8 retailers: MiaDonna (69), Friendly Diamonds (60), Ritani (57), Frank Darling (27), With Clarity (25), Ada Diamonds (24), Blue Nile (23), VRAI (3). Prices run from $399 to $2,125, with a median of $658 ($598 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 288 listings, the most common color is D (171 stones), the most common clarity is VVS2 (105 stones).

Better value: E color / VS1 clarity is the cheapest well-stocked spec combination here — 20 listings at a median of $419 per carat.

Cheapest live 1 carat lab-grown listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
1.01 ct Cushion E VVS2 Lab-Grown Diamond	Friendly Diamonds	1.01	E	VVS2	—	$399	$395
1.01 ct Pear E VVS1 Lab-Grown Diamond	Friendly Diamonds	1.01	E	VVS1	—	$399	$395
IGI 1.11 Carat D-VVS1 Very-Good Cut Pear Lab-Grown Diamond	Ritani	1.11	D	VVS1	IGI LG795644982	$401	$361
IGI 1.4 Carat E-VVS2 Good Cut Pear Lab-Grown Diamond	Ritani	1.40	E	VVS2	IGI LG841646739	$401	$286
IGI 1.1 Carat D-VVS2 Ideal Cut Round Lab-Grown Diamond	Ritani	1.10	D	VVS2	IGI LG616491136	$401	$365
IGI 1.07 Carat D-VS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.07	D	VS1	IGI LG783608470	$401	$375
IGI 1.47 Carat D-VS2 Ideal Cut Round Lab-Grown Diamond	Ritani	1.47	D	VS2	IGI LG794678097	$401	$273
IGI 1.09 Carat D-VVS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.09	D	VVS1	IGI LG790659135	$401	$368
IGI 1.21 Carat G-VVS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.21	G	VVS1	IGI LG803688545	$401	$331
IGI 1.06 Carat E-VVS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.06	E	VVS1	IGI LG821629949	$401	$378
IGI 1.01 Carat E-VVS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.01	E	VVS1	IGI LG825638780	$401	$397
IGI 1.01 Carat E-VVS1 Ideal Cut Round Lab-Grown Diamond	Ritani	1.01	E	VVS1	IGI LG825639307	$401	$397

Search all 1997 tracked listings →

Frequently asked questions

How much does a 1 carat lab-grown diamond cost?

Across 288 live listings tracked by Facet Wire, 1 carat lab-grown diamonds run from $399 to $2,125, with a median price of $658 ($598 per carat). The cheapest tracked right now is a 1.01 ct stone at Friendly Diamonds for $399.

Which retailer is cheapest for 1 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 MiaDonna, Friendly Diamonds, Ritani, Frank Darling, With Clarity, Ada Diamonds, Blue Nile, VRAI, and the same certified stone often appears at several retailers with a real price gap.

Are 1 carat diamonds good value?

1 Carat stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, 1 carat lab-grown diamonds run $598 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.