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 $220 CAD/ct to $23,583 CAD/ct, with an average of $882 CAD/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 $220 CAD per carat and the highest is $23,583 CAD 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 357,926 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 357,926 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 $1,059 CAD in total, or $882 CAD per carat, and most listings sit between $220 CAD and $23,583 CAD 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 $635 CAD per carat across 7,794 listings. The same shape in natural form runs about $5,277 CAD per carat, roughly 6.0 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 357,926 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$744	$581	$491	$486	$471	$452	$413	$629	$340
F-G	$788	$607	$547	$472	$460	$452	$440	$452	-
H-I	-	$1,300	$692	$488	$461	$506	$769	-	-
J-K	-	-	-	$574	$713	$910	$483	-	-
L-M	-	-	-	$550	-	-	-	-	-
N+	$1,109	$1,019	$573	$467	$460	$438	$506	$565	$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	7,789	$1,045 CAD	107%
D-E	I	23	$477 CAD	119%
D-E	IF	16,348	$816 CAD	117%
D-E	SI1	2,240	$580 CAD	76%
D-E	SI2	139	$883 CAD	77%
D-E	VS1	70,091	$661 CAD	76%
D-E	VS2	19,974	$635 CAD	78%
D-E	VVS1	42,431	$690 CAD	108%
D-E	VVS2	80,755	$683 CAD	90%
F-G	FL	97	$1,107 CAD	123%
F-G	IF	1,103	$853 CAD	112%
F-G	SI1	1,271	$617 CAD	74%
F-G	SI2	75	$635 CAD	104%
F-G	VS1	28,865	$646 CAD	77%
F-G	VS2	7,794	$635 CAD	72%
F-G	VVS1	2,734	$768 CAD	79%
F-G	VVS2	23,769	$664 CAD	76%
H-I	IF	49	$1,827 CAD	69%
H-I	SI1	92	$1,081 CAD	76%
H-I	VS1	2,123	$648 CAD	71%
H-I	VS2	745	$711 CAD	64%
H-I	VVS1	237	$971 CAD	59%
H-I	VVS2	1,466	$686 CAD	76%
J-K	SI1	15	$679 CAD	132%
J-K	VS1	55	$1,001 CAD	119%
J-K	VS2	46	$1,279 CAD	86%
J-K	VVS2	80	$806 CAD	110%
L-M	VVS2	13	$772 CAD	59%
N+	FL	50	$1,558 CAD	87%
N+	I	30	$1,722 CAD	1169%
N+	IF	402	$1,431 CAD	123%
N+	SI1	1,572	$710 CAD	142%
N+	SI2	318	$793 CAD	187%
N+	VS1	19,371	$647 CAD	129%
N+	VS2	7,495	$615 CAD	126%
N+	VVS1	1,512	$804 CAD	112%
N+	VVS2	14,911	$656 CAD	125%
N+	other	1,846	$2,054 CAD	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