How much does a 0.50 to 0.74ct F SI2 natural oval diamond cost?

As of October 2026, 0.50 to 0.74ct F SI2 natural oval diamonds typically cost $493 USD to $1,558 USD, with a median price of $757 USD. There are currently 1,044 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI2 oval diamond?

About 26% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct F SI2 Natural Oval

Quick answer

As of October 2026, there are 1,044 natural oval diamonds with F color and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $493 USD to $1,558 USD, with a median of $757 USD. At least 54 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between $1,156 USD and $1,790 USD per carat. The same specification in lab grown form lists at a median of about $723 USD per carat. Over the last 30 days the median price moved -2.9% and the number of listings moved +8.8%.

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

1,044

Lowest Price

$311 USD

Highest Price

$2,979 USD

Average Price

$929 USD

Market Intelligence

Retailers Selling

Cross Retailer %

26.4%

Price Spread

46.3%

30-Day Price Trend

-2.9%

30-Day Supply Change

+8.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,370/ct

10th Percentile

$987

Median

$1,370

90th Percentile

$2,530

Score Distribution

2.8K diamonds scored across 4 quality tiers

Excellent

297 (10.7%)

Very Good

1,059 (38.0%)

Good

686 (24.6%)

Average

745 (26.7%)

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Consider Instead

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

F I1I1 inclusions are not visible without magnification

Save 4%

Lab-Grown F SI2Same specifications, lab-grown origin

Save 47%

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