Under 1 Carat lab-grown diamonds

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

Facet Wire is tracking 155 live under 1 carat lab-grown listings right now across 5 retailers: Blue Nile (120), Ritani (19), MiaDonna (10), VRAI (3), Frank Darling (3). Prices run from $101 to $742, with a median of $496 ($692 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 155 listings, the most common color is D (102 stones), the most common clarity is VVS2 (81 stones).

Better value: D color / VS2 clarity is the cheapest well-stocked spec combination here — 12 listings at a median of $634 per carat.

Cheapest live under 1 carat lab-grown listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
IGI 0.33 Carat F-VS1 Good Cut Heart Lab-Grown Diamond	Ritani	0.33	F	VS1	IGI LG759503141	$101	$306
IGI 0.39 Carat E-SI1 Good Cut Heart Lab-Grown Diamond	Ritani	0.39	E	SI1	IGI LG816670731	$103	$264
IGI 0.26 Carat D-VS1 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.26	D	VS1	IGI LG821623579	$107	$412
IGI 0.31 Carat F-VVS2 Good Cut Heart Lab-Grown Diamond	Ritani	0.31	F	VVS2	IGI LG821646680	$107	$345
IGI 0.32 Carat E-VS1 Good Cut Heart Lab-Grown Diamond	Ritani	0.32	E	VS1	IGI LG816670741	$107	$334
IGI 0.33 Carat E-VVS2 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.33	E	VVS2	IGI LG803660799	$107	$324
IGI 0.41 Carat D-SI1 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.41	D	SI1	IGI LG816670745	$108	$263
IGI 0.37 Carat F-VS2 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.37	F	VS2	IGI LG821646703	$110	$297
IGI 0.33 Carat E-VS1 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.33	E	VS1	IGI LG816670739	$110	$333
IGI 0.36 Carat E-VS1 Good Cut Heart Lab-Grown Diamond	Ritani	0.36	E	VS1	IGI LG792664294	$112	$311
IGI 0.43 Carat D-VS2 Good Cut Heart Lab-Grown Diamond	Ritani	0.43	D	VS2	IGI LG805671814	$114	$265
IGI 0.36 Carat E-VVS2 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.36	E	VVS2	IGI LG830643471	$116	$322

Search all 1997 tracked listings →

Frequently asked questions

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

Across 155 live listings tracked by Facet Wire, under 1 carat lab-grown diamonds run from $101 to $742, with a median price of $496 ($692 per carat). The cheapest tracked right now is a 0.33 ct stone at Ritani for $101.

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

Are under 1 carat diamonds good value?

Under 1 Carat stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, under 1 carat lab-grown diamonds run $692 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.