How much does a 1.00 to 1.49ct G IF lab grown oval diamond cost?

As of September 2026, 1.00 to 1.49ct G IF lab grown oval diamonds typically cost $354 SGD to $2,639 SGD, with a median price of $1,358 SGD. There are currently 39 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G IF Lab Grown Oval

Quick answer

As of September 2026, there are 39 lab grown oval diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $354 SGD to $2,639 SGD, with a median of $1,358 SGD. At least 38 retailers stock this exact specification. Half of all listings fall between $635 SGD and $1,893 SGD per carat. The same specification in natural form lists at a median of about $7,465 SGD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval lab grown stones in the index: 487 USD per carat, -11.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$199 SGD

Highest Price

$10,027 SGD

Average Price

$1,769 SGD

Market Intelligence

Retailers Selling

Price Spread

130.4%

Price Range

Price per carat distribution across retailers

$723/ct

10th Percentile

$357

Median

$723

90th Percentile

$1,834

Score Distribution

39 diamonds scored across 4 quality tiers

Excellent

11 (28.2%)

Very Good

5 (12.8%)

Good

9 (23.1%)

Average

14 (35.9%)

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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