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 $222 AUD/ct to $23,749 AUD/ct, with an average of $896 AUD/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 $222 AUD per carat and the highest is $23,749 AUD 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 367,145 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 November 2026, there are 367,145 listings of lab grown radiant diamonds between 1.00 to 1.49ct from at least 62 retailers. A typical stone in this range costs about $1,075 AUD in total, or $896 AUD per carat, and most listings sit between $222 AUD and $23,749 AUD 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 $647 AUD per carat across 7,971 listings. The same shape in natural form runs about $5,389 AUD per carat, roughly 6.0 times more.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Radiant lab grown stones in the index: 489 USD per carat, -0.7% 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 367,145 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$734	$585	$497	$487	$472	$453	$411	$586	$334
F-G	$808	$625	$537	$471	$461	$452	$443	$428	-
H-I	-	$1,391	$673	$486	$457	$504	$668	-	-
J-K	-	-	-	$594	$677	$943	$483	-	-
L-M	-	-	-	$550	-	-	-	-	-
N+	$1,132	$1,020	$567	$464	$453	$437	$508	$569	$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	8,024	$1,051 AUD	100%
D-E	I	22	$478 AUD	125%
D-E	IF	16,531	$838 AUD	115%
D-E	SI1	2,394	$588 AUD	74%
D-E	SI2	145	$839 AUD	73%
D-E	VS1	72,747	$675 AUD	75%
D-E	VS2	20,605	$648 AUD	77%
D-E	VVS1	41,943	$712 AUD	106%
D-E	VVS2	83,206	$697 AUD	89%
F-G	FL	94	$1,157 AUD	116%
F-G	IF	1,092	$895 AUD	109%
F-G	SI1	1,271	$634 AUD	73%
F-G	SI2	92	$613 AUD	86%
F-G	VS1	29,169	$660 AUD	81%
F-G	VS2	7,971	$647 AUD	72%
F-G	VVS1	2,872	$769 AUD	81%
F-G	VVS2	23,759	$675 AUD	79%
H-I	IF	49	$1,992 AUD	68%
H-I	SI1	103	$956 AUD	84%
H-I	VS1	2,142	$655 AUD	69%
H-I	VS2	735	$722 AUD	62%
H-I	VVS1	253	$964 AUD	55%
H-I	VVS2	1,496	$696 AUD	74%
J-K	SI1	14	$692 AUD	133%
J-K	VS1	54	$970 AUD	130%
J-K	VS2	44	$1,350 AUD	79%
J-K	VVS2	71	$851 AUD	98%
L-M	VVS2	13	$787 AUD	56%
N+	FL	54	$1,621 AUD	92%
N+	I	35	$1,756 AUD	1179%
N+	IF	403	$1,461 AUD	122%
N+	SI1	1,601	$727 AUD	146%
N+	SI2	327	$814 AUD	201%
N+	VS1	20,573	$649 AUD	131%
N+	VS2	7,837	$626 AUD	126%
N+	VVS1	1,587	$812 AUD	114%
N+	VVS2	15,642	$664 AUD	127%
N+	other	2,175	$1,992 AUD	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