How much does a 1.00 to 1.49ct lab grown radiant diamond cost?

As of November 2026, 1.00 to 1.49ct lab grown radiant diamonds range from €140 EUR/ct to €14,881 EUR/ct, with an average of €564 EUR/ct.

What is the price range for 1.00 to 1.49ct lab grown radiant diamonds?

As of November 2026, the lowest listed price is €140 EUR per carat and the highest is €14,881 EUR per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

How many 1.00 to 1.49ct lab grown radiant diamonds are available?

There are 361,186 active lab grown radiant listings between 1.00 to 1.49ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 1.00 to 1.49ct lab grown radiant diamond?

Approximately 45% of these diamonds are available at multiple retailers, with an average price spread of 112% between the cheapest and most expensive listing of the same stone.

Lab Grown Radiant Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 361,186 listings of lab grown radiant diamonds between 1.00 to 1.49ct from at least 61 retailers. A typical stone in this range costs about €676 EUR in total, or €564 EUR per carat, and most listings sit between €140 EUR and €14,881 EUR per carat. About 45% of these stones are listed by more than one retailer, and the same stone is priced 112% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is D to E VS2 at €403 EUR per carat across 20,356 listings. The same shape in natural form runs about €3,337 EUR per carat, roughly 5.9 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Radiant lab grown stones in the index: 474 USD per carat, -2.1% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: November 2026

Browse 361,186 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$739	$581	$491	$485	$470	$450	$410	$577	$327
F-G	$768	$595	$543	$469	$460	$452	$440	$427	-
H-I	-	$1,437	$666	$487	$459	$499	$686	-	-
J-K	-	-	-	$574	$677	$940	$483	$908	-
L-M	-	-	-	$550	-	-	-	-	-
N+	$1,132	$1,020	$569	$463	$452	$435	$508	$566	$1,226

Price by Color & Clarity

Average price per carat for 1.00 to 1.49ct lab grown radiant diamonds by color and clarity grade.

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	7,885	€661 EUR	105%
D-E	I	22	€292 EUR	114%
D-E	IF	16,518	€520 EUR	117%
D-E	SI1	2,360	€367 EUR	76%
D-E	SI2	146	€517 EUR	75%
D-E	VS1	70,887	€421 EUR	76%
D-E	VS2	20,356	€403 EUR	80%
D-E	VVS1	42,365	€439 EUR	108%
D-E	VVS2	81,218	€434 EUR	90%
F-G	FL	96	€687 EUR	123%
F-G	IF	1,106	€532 EUR	115%
F-G	SI1	1,291	€394 EUR	73%
F-G	SI2	90	€383 EUR	85%
F-G	VS1	29,073	€411 EUR	81%
F-G	VS2	7,903	€404 EUR	73%
F-G	VVS1	2,774	€486 EUR	80%
F-G	VVS2	23,726	€420 EUR	81%
H-I	IF	50	€1,286 EUR	78%
H-I	SI1	99	€614 EUR	84%
H-I	VS1	2,112	€411 EUR	70%
H-I	VS2	737	€446 EUR	60%
H-I	VVS1	253	€596 EUR	68%
H-I	VVS2	1,475	€436 EUR	74%
J-K	SI1	14	€432 EUR	133%
J-K	SI2	11	€813 EUR	104%
J-K	VS1	54	€606 EUR	130%
J-K	VS2	46	€841 EUR	84%
J-K	VVS2	79	€513 EUR	111%
L-M	VVS2	13	€492 EUR	56%
N+	FL	54	€1,013 EUR	93%
N+	I	34	€1,097 EUR	1175%
N+	IF	403	€913 EUR	123%
N+	SI1	1,585	€455 EUR	142%
N+	SI2	323	€506 EUR	199%
N+	VS1	19,789	€405 EUR	130%
N+	VS2	7,667	€390 EUR	126%
N+	VVS1	1,532	€509 EUR	111%
N+	VVS2	15,208	€414 EUR	125%
N+	other	1,832	€1,309 EUR	24%

Explore by Specification

D FL D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 D SI2 E FL E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 E SI2 F FL F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 F SI2 G FL G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 G SI2 H FL H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 H SI2 I FL I IF I VVS1 I VVS2 I VS1 I VS2 I SI1 I SI2 J FL J IF J VVS1 J VVS2 J VS1 J VS2 J SI1 J SI2