How much does a 3.00 to 4.99ct F SI1 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct F SI1 natural heart diamonds typically cost $37,258 SGD to $116,272 SGD, with a median price of $66,001 SGD. There are currently 19 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI1 heart diamond?

About 30% of these diamonds are available at multiple retailers, with an average price spread of 29%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F SI1 Natural Heart

Quick answer

As of October 2026, there are 19 natural heart diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $37,258 SGD to $116,272 SGD, with a median of $66,001 SGD. At least 42 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 29%. Half of all listings fall between $11,011 SGD and $14,581 SGD per carat. The same specification in lab grown form lists at a median of about $482 SGD per carat. Over the last 30 days the median price moved -3.6% and the number of listings moved +9.3%.

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

$22,166 SGD

Highest Price

$219,910 SGD

Average Price

$70,874 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

30.4%

Price Spread

29.0%

30-Day Price Trend

-3.6%

30-Day Supply Change

+9.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$9,616/ct

10th Percentile

$7,727

Median

$9,616

90th Percentile

$13,858

Score Distribution

83 diamonds scored across 4 quality tiers

Excellent

4 (4.8%)

Very Good

12 (14.5%)

Good

12 (14.5%)

Average

55 (66.3%)

Find Your Diamond

Search 19 F SI1 heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

Save 26%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 95%

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