How much does a 1.50 to 1.99ct G IF natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct G IF natural oval diamonds typically cost $11,724 SGD to $26,538 SGD, with a median price of $16,160 SGD. There are currently 27 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G IF Natural Oval

Quick answer

As of October 2026, there are 27 natural oval diamonds with G colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $11,724 SGD to $26,538 SGD, with a median of $16,160 SGD. At least 58 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between $9,678 SGD and $13,451 SGD per carat. The same specification in lab grown form lists at a median of about $877 SGD per carat. Over the last 30 days the median price moved -0.4% and the number of listings moved -4.3%.

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

$9,071 SGD

Highest Price

$36,323 SGD

Average Price

$17,839 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

32.8%

Price Spread

33.0%

30-Day Price Trend

-0.4%

30-Day Supply Change

-4.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,910/ct

10th Percentile

$6,437

Median

$8,910

90th Percentile

$12,372

Score Distribution

71 diamonds scored across 5 quality tiers

Exceptional

1 (1.4%)

Excellent

26 (36.6%)

Very Good

11 (15.5%)

Good

14 (19.7%)

Average

19 (26.8%)

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H IFH colour is visually identical to G to the naked eye

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Lab-Grown G IFSame specifications, lab-grown origin

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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