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

As of October 2026, 0.50 to 0.74ct I IF natural cushion diamonds typically cost $626 SGD to $1,407 SGD, with a median price of $949 SGD. There are currently 57 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I IF Natural Cushion

Quick answer

As of October 2026, there are 57 natural cushion diamonds with I colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $626 SGD to $1,407 SGD, with a median of $949 SGD. At least 50 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between $1,449 SGD and $2,406 SGD per carat. Over the last 30 days the median price moved +3.3% and the number of listings moved -4.4%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

$467 SGD

Highest Price

$3,565 SGD

Average Price

$1,066 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

28.6%

Price Spread

51.9%

30-Day Price Trend

+3.3%

30-Day Supply Change

-4.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,440/ct

10th Percentile

$929

Median

$1,440

90th Percentile

$2,533

Score Distribution

190 diamonds scored across 4 quality tiers

Excellent

39 (20.5%)

Very Good

60 (31.6%)

Good

59 (31.1%)

Average

32 (16.8%)

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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