Lab-grown diamonds under $500

What $500 actually buys in lab-grown right now — every tracked listing under the cap, sorted by price.

Facet Wire is tracking 73 live lab-grown under $500 listings right now across 3 retailers: Blue Nile (52), Ritani (19), With Clarity (2). Prices run from $101 to $500, with a median of $444 ($634 per carat at the median). Data refreshes nightly — last build 2026-10-17.

Cheapest live lab-grown under $500 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 0.33 Carat E-VVS2 Very-Good Cut Heart Lab-Grown Diamond	Ritani	0.33	E	VVS2	IGI LG803660799	$107	$324
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 0.41 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 541 tracked listings →

Frequently asked questions

How much does a under-$500 lab-grown diamond cost?

Across 73 live listings tracked by Facet Wire, under-$500 lab-grown diamonds run from $101 to $500, with a median price of $444 ($634 per carat). The cheapest tracked right now is a 0.33 ct stone at Ritani for $101.

Which retailer is cheapest for under-$500 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, With Clarity, and the same certified stone often appears at several retailers with a real price gap.

Are under-$500 diamonds good value?

under-$500 stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, under-$500 lab-grown diamonds run $634 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.