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

As of October 2026, 1.00 to 1.49ct lab grown radiant diamonds range from €142 EUR/ct to €15,003 EUR/ct, with an average of €567 EUR/ct.

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

As of October 2026, the lowest listed price is €142 EUR per carat and the highest is €15,003 EUR per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 359,244 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 111% between the cheapest and most expensive listing of the same stone.

Lab Grown Radiant Diamonds, 1.00 to 1.49ct

Quick answer

As of October 2026, there are 359,244 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 €681 EUR in total, or €567 EUR per carat, and most listings sit between €142 EUR and €15,003 EUR per carat. About 45% of these stones are listed by more than one retailer, and the same stone is priced 111% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VS2 at €406 EUR per carat across 7,875 listings. The same shape in natural form runs about €3,347 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: October 2026

Browse 359,244 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$741	$582	$490	$486	$471	$453	$411	$601	$340
F-G	$767	$607	$546	$471	$460	$452	$437	$428	-
H-I	-	$1,313	$673	$492	$460	$506	$769	-	-
J-K	-	-	-	$598	$715	$910	$483	$908	-
L-M	-	-	-	$550	-	-	-	-	-
N+	$1,121	$1,019	$572	$469	$463	$440	$508	$566	$1,226

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	7,785	€666 EUR	107%
D-E	I	23	€305 EUR	119%
D-E	IF	16,400	€523 EUR	116%
D-E	SI1	2,326	€369 EUR	75%
D-E	SI2	146	€540 EUR	83%
D-E	VS1	70,345	€423 EUR	75%
D-E	VS2	20,133	€407 EUR	78%
D-E	VVS1	42,583	€440 EUR	107%
D-E	VVS2	80,814	€437 EUR	89%
F-G	FL	96	€689 EUR	125%
F-G	IF	1,103	€546 EUR	112%
F-G	SI1	1,296	€393 EUR	75%
F-G	SI2	86	€385 EUR	105%
F-G	VS1	28,935	€414 EUR	77%
F-G	VS2	7,875	€406 EUR	72%
F-G	VVS1	2,749	€491 EUR	79%
F-G	VVS2	23,806	€423 EUR	76%
H-I	IF	50	€1,179 EUR	82%
H-I	SI1	98	€691 EUR	77%
H-I	VS1	2,128	€413 EUR	71%
H-I	VS2	746	€454 EUR	64%
H-I	VVS1	250	€605 EUR	66%
H-I	VVS2	1,472	€442 EUR	75%
J-K	SI1	14	€434 EUR	133%
J-K	SI2	12	€816 EUR	85%
J-K	VS1	54	€642 EUR	119%
J-K	VS2	46	€818 EUR	86%
J-K	VVS2	75	€537 EUR	103%
L-M	VVS2	13	€494 EUR	59%
N+	FL	51	€1,007 EUR	92%
N+	I	32	€1,101 EUR	1176%
N+	IF	402	€915 EUR	123%
N+	SI1	1,583	€457 EUR	141%
N+	SI2	320	€508 EUR	181%
N+	VS1	19,492	€416 EUR	127%
N+	VS2	7,540	€395 EUR	124%
N+	VVS1	1,516	€514 EUR	110%
N+	VVS2	14,997	€422 EUR	123%
N+	other	1,852	€1,314 EUR	23%

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