How much does a 1.00 to 1.49ct I IF natural heart diamond cost?

As of September 2026, 1.00 to 1.49ct I IF natural heart diamonds typically cost HK$14,334 HKD to HK$32,183 HKD, with a median price of HK$19,365 HKD. There are currently 134 diamonds matching this specification available across retailers.

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1.00 to 1.49ct I IF Natural Heart

Quick answer

As of September 2026, there are 134 natural heart diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$14,334 HKD to HK$32,183 HKD, with a median of HK$19,365 HKD. At least 46 retailers stock this exact specification. Half of all listings fall between HK$18,717 HKD and HK$25,598 HKD per carat. The same specification in lab grown form lists at a median of about HK$23,691 HKD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Heart natural stones in the index: 2,261 USD per carat, +1.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

134

Lowest Price

HK$10,748 HKD

Highest Price

HK$55,749 HKD

Average Price

HK$21,295 HKD

Market Intelligence

Retailers Selling

Price Spread

31.6%

Price Range

Price per carat distribution across retailers

$2,832/ct

10th Percentile

$2,132

Median

$2,832

90th Percentile

$3,900

Score Distribution

134 diamonds scored across 4 quality tiers

Excellent

49 (36.6%)

Very Good

41 (30.6%)

Good

26 (19.4%)

Average

18 (13.4%)

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J IFJ colour is visually identical to I to the naked eye

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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