How much does a 1.00 to 1.49ct G IF natural marquise diamond cost?

As of November 2026, 1.00 to 1.49ct G IF natural marquise diamonds typically cost $5,221 SGD to $11,021 SGD, with a median price of $7,312 SGD. There are currently 38 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G IF Natural Marquise

Quick answer

As of November 2026, there are 38 natural marquise diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $5,221 SGD to $11,021 SGD, with a median of $7,312 SGD. At least 55 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between $7,003 SGD and $10,565 SGD per carat. The same specification in lab grown form lists at a median of about $779 SGD per carat. Over the last 30 days the median price moved +2.7% and the number of listings moved -11.2%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

$4,604 SGD

Highest Price

$24,516 SGD

Average Price

$7,924 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

43.2%

30-Day Price Trend

+2.7%

30-Day Supply Change

-11.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,447/ct

10th Percentile

$4,800

Median

$6,447

90th Percentile

$9,977

Score Distribution

73 diamonds scored across 5 quality tiers

Exceptional

5 (6.8%)

Excellent

22 (30.1%)

Very Good

16 (21.9%)

Good

21 (28.8%)

Average

9 (12.3%)

Find Your Diamond

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Consider Instead

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

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