How much does a 1.50 to 1.99ct J I1 natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct J I1 natural oval diamonds typically cost €2,454 EUR to €6,871 EUR, with a median price of €4,490 EUR. There are currently 46 diamonds matching this specification available across retailers.

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

About 19% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J I1 Natural Oval

Quick answer

As of October 2026, there are 46 natural oval diamonds with J colour and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €2,454 EUR to €6,871 EUR, with a median of €4,490 EUR. At least 24 retailers stock this exact specification, and 19% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between €1,681 EUR and €3,116 EUR per carat. Over the last 30 days the median price moved -2.2% and the number of listings moved +8.2%.

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

Lowest Price

€1,153 EUR

Highest Price

€9,562 EUR

Average Price

€4,667 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

19.2%

Price Spread

58.0%

30-Day Price Trend

-2.2%

30-Day Supply Change

+8.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,762/ct

10th Percentile

$1,268

Median

$2,762

90th Percentile

$4,165

Score Distribution

176 diamonds scored across 4 quality tiers

Excellent

4 (2.3%)

Very Good

21 (11.9%)

Good

17 (9.7%)

Average

134 (76.1%)

Find Your Diamond

Search 46 J I1 oval diamonds and compare prices.

Search Diamonds

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