How much does a 1.50 to 1.99ct E IF natural round diamond cost?

As of October 2026, 1.50 to 1.99ct E IF natural round diamonds typically cost $18,540 SGD to $60,168 SGD, with a median price of $28,925 SGD. There are currently 185 diamonds matching this specification available across retailers.

Where can I find the best price on a E IF round diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E IF Natural Round

Quick answer

As of October 2026, there are 185 natural round diamonds with E colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $18,540 SGD to $60,168 SGD, with a median of $28,925 SGD. At least 67 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between $16,119 SGD and $22,908 SGD per carat. The same specification in lab grown form lists at a median of about $757 SGD per carat. Over the last 30 days the median price moved -1.5% and the number of listings moved +15.7%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

185

Lowest Price

$12,472 SGD

Highest Price

$81,365 SGD

Average Price

$34,498 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

32.1%

Price Spread

35.8%

30-Day Price Trend

-1.5%

30-Day Supply Change

+15.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$14,795/ct

10th Percentile

$10,636

Median

$14,795

90th Percentile

$21,994

Score Distribution

541 diamonds scored across 5 quality tiers

Exceptional

38 (7.0%)

Excellent

158 (29.2%)

Very Good

121 (22.4%)

Good

72 (13.3%)

Average

152 (28.1%)

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Consider Instead

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

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

Save 30%

E VVS1VVS1 inclusions are not visible without magnification

Save 11%

Lab-Grown E IFSame specifications, lab-grown origin

Save 96%

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