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

As of September 2026, 1.00 to 1.49ct E I1 natural oval diamonds typically cost $1,518 USD to $4,870 USD, with a median price of $2,862 USD. There are currently 330 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 34%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E I1 Natural Oval

Quick answer

As of September 2026, there are 330 natural oval diamonds with E color and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,518 USD to $4,870 USD, with a median of $2,862 USD. At least 23 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between $1,981 USD and $2,831 USD per carat. The same specification in lab grown form lists at a median of about $1,609 USD per carat. Over the last 30 days the median price moved -3.6% and the number of listings moved -1.3%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

330

Lowest Price

$502 USD

Highest Price

$11,070 USD

Average Price

$3,059 USD

Market Intelligence

Retailers Selling

Cross Retailer %

39.1%

Price Spread

34.2%

30-Day Price Trend

-3.6%

30-Day Supply Change

-1.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,489/ct

10th Percentile

$1,626

Median

$2,489

90th Percentile

$3,442

Score Distribution

330 diamonds scored across 4 quality tiers

Excellent

29 (8.8%)

Very Good

81 (24.5%)

Good

67 (20.3%)

Average

153 (46.4%)

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Consider Instead

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

F I1F colour is visually identical to E to the naked eye

Save 11%

Lab-Grown E I1Same specifications, lab-grown origin

Save 35%

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