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

As of October 2026, 1.00 to 1.49ct D IF lab grown heart diamonds typically cost $418 NZD to $2,532 NZD, with a median price of $726 NZD. There are currently 384 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF heart diamond?

About 55% of these diamonds are available at multiple retailers, with an average price spread of 112%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Lab Grown Heart

Quick answer

As of October 2026, there are 384 lab grown heart diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $418 NZD to $2,532 NZD, with a median of $726 NZD. At least 43 retailers stock this exact specification, and 55% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between $579 NZD and $1,689 NZD per carat. The same specification in natural form lists at a median of about $11,630 NZD per carat. Over the last 30 days the median price moved -9.6% and the number of listings moved +56.6%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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

Available

384

Lowest Price

$360 NZD

Highest Price

$8,038 NZD

Average Price

$1,159 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

54.7%

Price Spread

111.5%

30-Day Price Trend

-9.6%

30-Day Supply Change

+56.6%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$561/ct

10th Percentile

$258

Median

$561

90th Percentile

$1,356

Score Distribution

868 diamonds scored across 5 quality tiers

Exceptional

17 (2.0%)

Excellent

435 (50.1%)

Very Good

149 (17.2%)

Good

132 (15.2%)

Average

135 (15.6%)

Find Your Diamond

Search 384 D IF heart diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VVS1VVS1 inclusions are not visible without magnification

Save 22%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1