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 HK$1,238 HKD/ct to HK$131,037 HKD/ct, with an average of HK$4,954 HKD/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 HK$1,238 HKD per carat and the highest is HK$131,037 HKD 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 HK$5,945 HKD in total, or HK$4,954 HKD per carat, and most listings sit between HK$1,238 HKD and HK$131,037 HKD 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 HK$3,546 HKD per carat across 7,875 listings. The same shape in natural form runs about HK$29,230 HKD 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	HK$5,817 HKD	107%
D-E	I	23	HK$2,666 HKD	119%
D-E	IF	16,400	HK$4,567 HKD	116%
D-E	SI1	2,326	HK$3,223 HKD	75%
D-E	SI2	146	HK$4,717 HKD	83%
D-E	VS1	70,345	HK$3,694 HKD	75%
D-E	VS2	20,133	HK$3,551 HKD	78%
D-E	VVS1	42,583	HK$3,846 HKD	107%
D-E	VVS2	80,814	HK$3,814 HKD	89%
F-G	FL	96	HK$6,017 HKD	125%
F-G	IF	1,103	HK$4,765 HKD	112%
F-G	SI1	1,296	HK$3,430 HKD	75%
F-G	SI2	86	HK$3,361 HKD	105%
F-G	VS1	28,935	HK$3,612 HKD	77%
F-G	VS2	7,875	HK$3,546 HKD	72%
F-G	VVS1	2,749	HK$4,287 HKD	79%
F-G	VVS2	23,806	HK$3,698 HKD	76%
H-I	IF	50	HK$10,299 HKD	82%
H-I	SI1	98	HK$6,036 HKD	77%
H-I	VS1	2,128	HK$3,611 HKD	71%
H-I	VS2	746	HK$3,969 HKD	64%
H-I	VVS1	250	HK$5,282 HKD	66%
H-I	VVS2	1,472	HK$3,863 HKD	75%
J-K	SI1	14	HK$3,791 HKD	133%
J-K	SI2	12	HK$7,123 HKD	85%
J-K	VS1	54	HK$5,609 HKD	119%
J-K	VS2	46	HK$7,143 HKD	86%
J-K	VVS2	75	HK$4,693 HKD	103%
L-M	VVS2	13	HK$4,311 HKD	59%
N+	FL	51	HK$8,791 HKD	92%
N+	I	32	HK$9,618 HKD	1176%
N+	IF	402	HK$7,990 HKD	123%
N+	SI1	1,583	HK$3,987 HKD	141%
N+	SI2	320	HK$4,437 HKD	181%
N+	VS1	19,492	HK$3,632 HKD	127%
N+	VS2	7,540	HK$3,453 HKD	124%
N+	VVS1	1,516	HK$4,487 HKD	110%
N+	VVS2	14,997	HK$3,681 HKD	123%
N+	other	1,852	HK$11,474 HKD	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