How much does a 0.50 to 0.74ct E I1 natural oval diamond cost?

As of October 2026, 0.50 to 0.74ct E I1 natural oval diamonds typically cost $674 SGD to $1,807 SGD, with a median price of $1,169 SGD. There are currently 45 diamonds matching this specification available across retailers.

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

About 22% 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.

0.50 to 0.74ct E I1 Natural Oval

Quick answer

As of October 2026, there are 45 natural oval diamonds with E colour and I1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $674 SGD to $1,807 SGD, with a median of $1,169 SGD. At least 26 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between $1,580 SGD and $2,210 SGD per carat. The same specification in lab grown form lists at a median of about $1,670 SGD per carat. Over the last 30 days the median price moved -3.1% and the number of listings moved +4.9%.

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

$357 SGD

Highest Price

$3,194 SGD

Average Price

$1,216 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

21.7%

Price Spread

34.1%

30-Day Price Trend

-3.1%

30-Day Supply Change

+4.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,443/ct

10th Percentile

$948

Median

$1,443

90th Percentile

$2,234

Score Distribution

150 diamonds scored across 4 quality tiers

Excellent

15 (10.0%)

Very Good

26 (17.3%)

Good

19 (12.7%)

Average

90 (60.0%)

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

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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