How much does a 1.00 to 1.49ct G I1 natural marquise diamond cost?

As of July 2026, 1.00 to 1.49ct G I1 natural marquise diamonds typically cost HK$11,512 HKD to HK$37,855 HKD, with a median price of HK$19,869 HKD. There are currently 67 diamonds matching this specification available across retailers.

Where can I find the best price on a G I1 marquise diamond?

About 49% 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.

1.00 to 1.49ct G I1 Natural Marquise

Last updated: July 2026

Available

Lowest Price

HK$5,254 HKD

Highest Price

HK$114,300 HKD

Average Price

HK$25,278 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

49.0%

Price Spread

52.2%

30-Day Price Trend

+0.9%

30-Day Supply Change

+43.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,593/ct

10th Percentile

$1,459

Median

$2,593

90th Percentile

$4,020

Score Distribution

67 diamonds scored across 4 quality tiers

Excellent

5 (7.5%)

Very Good

11 (16.4%)

Good

32 (47.8%)

Average

19 (28.4%)

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Consider Instead

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

H I1H colour is visually identical to G to the naked eye

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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