How much does a 1.50 to 1.99ct F IF lab grown marquise diamond cost?

As of October 2026, 1.50 to 1.99ct F IF lab grown marquise diamonds typically cost HK$4,678 HKD to HK$39,822 HKD, with a median price of HK$17,480 HKD. There are currently 18 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 91%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F IF Lab Grown Marquise

Quick answer

As of October 2026, there are 18 lab grown marquise diamonds with F colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run HK$4,678 HKD to HK$39,822 HKD, with a median of HK$17,480 HKD. At least 42 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 91%. Half of all listings fall between HK$4,120 HKD and HK$11,706 HKD per carat. The same specification in natural form lists at a median of about HK$101,394 HKD per carat. Over the last 30 days the median price moved -12.1% and the number of listings moved +6.0%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

HK$3,240 HKD

Highest Price

HK$57,403 HKD

Average Price

HK$19,824 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

27.4%

Price Spread

91.0%

30-Day Price Trend

-12.1%

30-Day Supply Change

+6.0%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$1,063/ct

10th Percentile

$370

Median

$1,063

90th Percentile

$2,220

Score Distribution

63 diamonds scored across 4 quality tiers

Excellent

13 (20.6%)

Very Good

8 (12.7%)

Good

16 (25.4%)

Average

26 (41.3%)

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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