How much does a 1.00 to 1.49ct F I1 lab grown oval diamond cost?

As of October 2026, 1.00 to 1.49ct F I1 lab grown oval diamonds typically cost $513 SGD to $1,413 SGD, with a median price of $1,324 SGD. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 oval diamond?

About 43% of these diamonds are available at multiple retailers, with an average price spread of 67%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F I1 Lab Grown Oval

Quick answer

As of October 2026, there are 1 lab grown oval diamonds with F colour and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $513 SGD to $1,413 SGD, with a median of $1,324 SGD. At least 9 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 67%. Half of all listings fall between $1,312 SGD and $2,569 SGD per carat. The same specification in natural form lists at a median of about $3,305 SGD per carat.

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

1.02ct Oval F I1, IGI, grade B+, from $311 SGD

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

Lowest Price

$311 SGD

Highest Price

$1,436 SGD

Average Price

$1,023 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

67.0%

Price Range

Price per carat distribution across retailers

$1,467/ct

10th Percentile

$485

Median

$1,467

90th Percentile

$2,728

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

2 (66.7%)

Average

1 (33.3%)

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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