Radiant diamonds at Blue Nile

Every radiant diamond Facet Wire currently tracks at Blue Nile — lab-grown and natural, sorted by live price.

Facet Wire is tracking 37 live radiant diamonds at Blue Nile listings right now across 1 retailers: Blue Nile (37). Prices run from $1,055 to $85,774, with a median of $5,976 ($4,527 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Cheapest live radiant diamonds at Blue Nile listings

Stone	Retailer	Carat	Color	Clarity	Cert	Price	$/ct
IGI 1.52 Carat E-VS1 Excellent Cut Radiant Lab-Grown Diamond	Blue Nile	1.52	E	VS1	IGI	$1,055	$694
IGI 1.53 Carat E-VS1 Excellent Cut Radiant Lab-Grown Diamond	Blue Nile	1.53	E	VS1	IGI	$1,062	$694
IGI 1.53 Carat E-VS1 Ideal Cut Radiant Lab-Grown Diamond	Blue Nile	1.53	E	VS1	IGI	$1,062	$694
IGI 1.54 Carat E-VS1 Excellent Cut Radiant Lab-Grown Diamond	Blue Nile	1.54	E	VS1	IGI	$1,069	$694
IGI 1.54 Carat E-VS1 Excellent Cut Radiant Lab-Grown Diamond	Blue Nile	1.54	E	VS1	IGI	$1,069	$694
GIA 1.00 Carat I-VVS1 Ideal Cut Radiant Natural Diamond	Blue Nile	1.00	I	VVS1	GIA	$2,266	$2,266
GIA 1.20 Carat I-VS2 Very Good Cut Radiant Natural Diamond	Blue Nile	1.20	I	VS2	GIA	$2,628	$2,190
GIA 1.00 Carat D-SI1 Very Good Cut Radiant Natural Diamond	Blue Nile	1.00	D	SI1	GIA	$2,816	$2,816
GIA 1.09 Carat G-VS1 Ideal Cut Radiant Natural Diamond	Blue Nile	1.09	G	VS1	GIA	$3,001	$2,753
GIA 1.01 Carat D-VS1 Very Good Cut Radiant Natural Diamond	Blue Nile	1.01	D	VS1	GIA	$3,334	$3,301
GIA 1.11 Carat H-VVS1 Ideal Cut Radiant Natural Diamond	Blue Nile	1.11	H	VVS1	GIA	$3,508	$3,160
GIA 1.21 Carat D-SI1 Ideal Cut Radiant Natural Diamond	Blue Nile	1.21	D	SI1	GIA	$4,010	$3,314

Search all 1997 tracked listings →

Frequently asked questions

How much do radiant diamonds cost at Blue Nile?

Facet Wire tracks 37 live radiant listings at Blue Nile, from $1,055 to $85,774, with a median price of $5,976 ($4,527 per carat).

Is Blue Nile the cheapest place to buy a radiant diamond?

Not always — the same certified radiant stone often lists at several retailers at once, at different prices. Facet Wire search puts every retailer's live price for matching specs side by side, so the gap is visible before you buy.

How many radiant diamonds does Blue Nile list?

37 in Facet Wire's tracked set right now, across lab-grown and natural. The count moves nightly as Blue Nile adds and sells inventory.

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.