Under 1 Carat heart lab-grown diamonds

Every under 1 carat heart lab-grown diamond Facet Wire tracks, sorted by live price.

Facet Wire is tracking 19 live under 1 carat heart lab-grown listings right now across 1 retailers: Ritani (19). Prices run from $101 to $121, with a median of $112 ($331 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 19 listings, the most common color is E (8 stones), the most common clarity is VS1 (8 stones).

Cheapest live under 1 carat heart 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 heart lab-grown diamond cost?

Across 19 live listings tracked by Facet Wire, heart lab-grown diamonds run from $101 to $121, with a median price of $112 ($331 per carat). The cheapest tracked right now is a 0.33 ct stone at Ritani for $101.

Which retailer is cheapest for heart lab-grown diamonds?

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

Are heart diamonds good value?

Heart stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, heart lab-grown diamonds run $331 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.