How much does a 1.00 to 1.49ct E IF natural round diamond cost?

As of September 2026, 1.00 to 1.49ct E IF natural round diamonds typically cost $7,734 SGD to $19,394 SGD, with a median price of $11,865 SGD. There are currently 1,505 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct E IF Natural Round

Quick answer

As of September 2026, there are 1,505 natural round diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $7,734 SGD to $19,394 SGD, with a median of $11,865 SGD. At least 66 retailers stock this exact specification. Half of all listings fall between $10,139 SGD and $15,210 SGD per carat. The same specification in lab grown form lists at a median of about $796 SGD per carat.

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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

1,505

Lowest Price

$376 SGD

Highest Price

$47,187 SGD

Average Price

$12,925 SGD