How much does a 1.50 to 1.99ct D FL lab grown oval diamond cost?

As of October 2026, 1.50 to 1.99ct D FL lab grown oval diamonds typically cost $442 SGD to $3,176 SGD, with a median price of $987 SGD. There are currently 1,499 diamonds matching this specification available across retailers.

Where can I find the best price on a D FL oval diamond?

About 50% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D FL Lab Grown Oval

Quick answer

As of October 2026, there are 1,499 lab grown oval diamonds with D colour and FL clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $442 SGD to $3,176 SGD, with a median of $987 SGD. At least 42 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between $559 SGD and $1,457 SGD per carat. The same specification in natural form lists at a median of about $17,735 SGD per carat. Over the last 30 days the median price moved -7.0% and the number of listings moved +20.7%.

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 lab grown stones in the index: 453 USD per carat, -7.4% 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

1,499

Lowest Price

$359 SGD

Highest Price

$8,368 SGD

Average Price

$1,344 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

97.7%

30-Day Price Trend

-7.0%

30-Day Supply Change

+20.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$717/ct

10th Percentile

$287

Median

$717

90th Percentile

$1,955

Score Distribution

3.2K diamonds scored across 5 quality tiers

Exceptional

194 (6.0%)

Excellent

1,330 (41.5%)

Very Good

546 (17.0%)

Good

858 (26.7%)

Average

280 (8.7%)

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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