How much does a 0.50 to 0.74ct I IF natural round diamond cost?

As of October 2026, 0.50 to 0.74ct I IF natural round diamonds typically cost $709 SGD to $2,263 SGD, with a median price of $1,241 SGD. There are currently 1,727 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 56%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I IF Natural Round

Quick answer

As of October 2026, there are 1,727 natural round diamonds with I colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $709 SGD to $2,263 SGD, with a median of $1,241 SGD. At least 63 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 56%. Half of all listings fall between $1,920 SGD and $3,272 SGD per carat. The same specification in lab grown form lists at a median of about $1,219 SGD per carat. Over the last 30 days the median price moved -3.3% and the number of listings moved +8.4%.

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

1,727

Lowest Price

$413 SGD

Highest Price

$5,275 SGD

Average Price

$1,381 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

41.5%

Price Spread

55.8%

30-Day Price Trend

-3.3%

30-Day Supply Change

+8.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,890/ct

10th Percentile

$1,233

Median

$1,890

90th Percentile

$3,542

Score Distribution

3.6K diamonds scored across 5 quality tiers

Exceptional

2 (0.1%)

Excellent

1,415 (39.1%)

Very Good

917 (25.3%)

Good

554 (15.3%)

Average

733 (20.2%)

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Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

Save 25%

I VVS1VVS1 inclusions are not visible without magnification

Save 9%

Lab-Grown I IFSame specifications, lab-grown origin

Save 50%

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