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

As of November 2026, 1.00 to 1.49ct lab grown heart diamonds range from $278 NZD/ct to $4,389 NZD/ct, with an average of $963 NZD/ct.

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

As of November 2026, the lowest listed price is $278 NZD per carat and the highest is $4,389 NZD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 242,277 active lab grown heart 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 heart diamond?

Approximately 52% of these diamonds are available at multiple retailers, with an average price spread of 104% between the cheapest and most expensive listing of the same stone.

Lab Grown Heart Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 242,277 listings of lab grown heart diamonds between 1.00 to 1.49ct from at least 53 retailers. A typical stone in this range costs about $1,156 NZD in total, or $963 NZD per carat, and most listings sit between $278 NZD and $4,389 NZD per carat. About 52% of these stones are listed by more than one retailer, and the same stone is priced 104% 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 $695 NZD per carat across 9,174 listings. The same shape in natural form runs about $5,635 NZD per carat, roughly 5.9 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. Heart lab grown stones in the index: 428 USD per carat, +1.4% 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 242,277 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$607	$628	$449	$418	$406	$391	$359	$347	-
F-G	$466	$589	$415	$408	$409	$404	$475	-	-
H-I	-	-	$362	$456	$511	$1,193	$805	$1,013	$447
J-K	-	-	-	$575	$488	$462	$982	-	-
L-M	-	-	-	-	$413	-	-	-	-
N+	-	$1,240	$518	$448	$433	$421	$331	$236	$335

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,662	$1,079 NZD	113%
D-E	IF	8,318	$1,117 NZD	110%
D-E	SI1	887	$638 NZD	116%
D-E	SI2	113	$617 NZD	87%
D-E	VS1	50,620	$722 NZD	98%
D-E	VS2	9,174	$695 NZD	103%
D-E	VVS1	34,456	$798 NZD	110%
D-E	VVS2	80,667	$743 NZD	109%
F-G	FL	22	$829 NZD	145%
F-G	IF	162	$1,046 NZD	96%
F-G	SI1	170	$844 NZD	79%
F-G	VS1	6,918	$727 NZD	88%
F-G	VS2	1,291	$719 NZD	89%
F-G	VVS1	2,055	$738 NZD	112%
F-G	VVS2	9,667	$724 NZD	100%
H-I	I	12	$794 NZD	95%
H-I	SI1	108	$1,430 NZD	97%
H-I	SI2	15	$1,800 NZD	37%
H-I	VS1	200	$909 NZD	71%
H-I	VS2	64	$2,121 NZD	76%
H-I	VVS1	41	$643 NZD	130%
H-I	VVS2	290	$810 NZD	88%
J-K	SI1	29	$1,746 NZD	34%
J-K	VS1	10	$867 NZD	95%
J-K	VS2	18	$822 NZD	75%
J-K	VVS2	90	$1,021 NZD	72%
L-M	VS1	31	$733 NZD	54%
N+	I	129	$595 NZD	141%
N+	IF	96	$2,205 NZD	97%
N+	SI1	1,325	$589 NZD	148%
N+	SI2	506	$420 NZD	197%
N+	VS1	14,067	$769 NZD	139%
N+	VS2	5,318	$749 NZD	139%
N+	VVS1	889	$921 NZD	135%
N+	VVS2	9,785	$797 NZD	134%
N+	other	1,072	$2,591 NZD	19%

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