How much does a 1.00 to 1.49ct F I1 natural oval diamond cost?

As of October 2026, 1.00 to 1.49ct F I1 natural oval diamonds typically cost $1,702 SGD to $6,204 SGD, with a median price of $3,298 SGD. There are currently 155 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 oval diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F I1 Natural Oval

Quick answer

As of October 2026, there are 155 natural oval diamonds with F colour and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,702 SGD to $6,204 SGD, with a median of $3,298 SGD. At least 26 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 54%. Half of all listings fall between $1,964 SGD and $3,402 SGD per carat. The same specification in lab grown form lists at a median of about $1,873 SGD per carat. Over the last 30 days the median price moved -6.9% and the number of listings moved +17.4%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

155

Lowest Price

$959 SGD

Highest Price

$10,550 SGD

Average Price

$3,619 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

31.8%

Price Spread

54.0%

30-Day Price Trend

-6.9%

30-Day Supply Change

+17.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$2,084/ct

10th Percentile

$1,246

Median

$2,084

90th Percentile

$3,618

Score Distribution

475 diamonds scored across 4 quality tiers

Excellent

45 (9.5%)

Very Good

97 (20.4%)

Good

84 (17.7%)

Average

249 (52.4%)

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Consider Instead

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

Lab-Grown F I1Same specifications, lab-grown origin

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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