How much does a 1.50 to 1.99ct J IF natural heart diamond cost?

As of October 2026, 1.50 to 1.99ct J IF natural heart diamonds typically cost £2,718 GBP to £6,246 GBP, with a median price of £3,969 GBP. There are currently 15 diamonds matching this specification available across retailers.

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

About 55% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J IF Natural Heart

Quick answer

As of October 2026, there are 15 natural heart diamonds with J colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £2,718 GBP to £6,246 GBP, with a median of £3,969 GBP. At least 25 retailers stock this exact specification, and 55% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between £2,177 GBP and £3,377 GBP per carat. Over the last 30 days the median price moved +3.1% and the number of listings moved +22.5%.

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 natural stones in the index: 2,374 USD per carat, +9.8% 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

Lowest Price

£1,978 GBP

Highest Price

£10,826 GBP

Average Price

£4,418 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

54.9%

Price Spread

39.9%

30-Day Price Trend

+3.1%

30-Day Supply Change

+22.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$4,034/ct

10th Percentile

$2,660

Median

$4,034

90th Percentile

$5,230

Score Distribution

36 diamonds scored across 4 quality tiers

Excellent

10 (27.8%)

Very Good

7 (19.4%)

Good

9 (25.0%)

Average

10 (27.8%)

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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