How much does a 3.00 to 4.99ct J SI2 natural oval diamond cost?

As of October 2026, 3.00 to 4.99ct J SI2 natural oval diamonds typically cost €13,209 EUR to €54,195 EUR, with a median price of €26,103 EUR. There are currently 186 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI2 Natural Oval

Quick answer

As of October 2026, there are 186 natural oval diamonds with J color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €13,209 EUR to €54,195 EUR, with a median of €26,103 EUR. At least 49 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between €4,552 EUR and €7,319 EUR per carat. The same specification in lab grown form lists at a median of about €2,812 EUR per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved +10.3%.

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. 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

186

Lowest Price

€6,447 EUR

Highest Price

€112,652 EUR

Average Price

€30,173 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

42.5%

Price Spread

47.0%

30-Day Price Trend

-3.4%

30-Day Supply Change

+10.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,579/ct

10th Percentile

$3,902

Median

$6,579

90th Percentile

$9,653

Score Distribution

531 diamonds scored across 4 quality tiers

Excellent

47 (8.9%)

Very Good

124 (23.4%)

Good

72 (13.6%)

Average

288 (54.2%)

Find Your Diamond

Search 186 J SI2 oval diamonds and compare prices.

Search Diamonds

Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 52%

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