How much does a 0.75 to 0.99ct G IF natural marquise diamond cost?

As of November 2026, 0.75 to 0.99ct G IF natural marquise diamonds typically cost HK$20,950 HKD to HK$55,281 HKD, with a median price of HK$30,912 HKD. There are currently 8 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G IF Natural Marquise

Quick answer

As of November 2026, there are 8 natural marquise diamonds with G colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$20,950 HKD to HK$55,281 HKD, with a median of HK$30,912 HKD. At least 39 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between HK$27,617 HKD and HK$44,990 HKD per carat. The same specification in lab grown form lists at a median of about HK$6,227 HKD per carat. Over the last 30 days the median price moved +0.7% and the number of listings moved -10.5%.

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

HK$13,714 HKD

Highest Price

HK$75,825 HKD

Average Price

HK$34,362 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

35.4%

Price Spread

48.4%

30-Day Price Trend

+0.7%

30-Day Supply Change

-10.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,572/ct

10th Percentile

$2,602

Median

$4,572

90th Percentile

$7,840

Score Distribution

23 diamonds scored across 4 quality tiers

Excellent

6 (26.1%)

Very Good

4 (17.4%)

Good

3 (13.0%)

Average

10 (43.5%)

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Consider Instead

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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