How much does a 1.00 - 1.49ct G SI1 lab grown round diamond cost?

As of April 2026, 1.00 - 1.49ct G SI1 lab grown round diamonds are available from $91 SGD to $134,096 SGD, with an average price of $2,063 SGD. There are currently 5,993 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI1 round diamond?

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1.00 - 1.49ct G SI1 Lab Grown Round

As of April 2026, there are 5,993 lab grown round diamonds with G color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $91 SGD to $134,096 SGD, with an average of $2,063 SGD.

Last updated: April 2026

Available

5,993

Lowest Price

$91 SGD

Highest Price

$134,096 SGD

Average Price

$2,063 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

96.5%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$2,807/ct

10th Percentile

$354

Median

$2,807

90th Percentile

$4,126

Score Distribution

6.0K diamonds scored across 4 quality tiers

Excellent

1,560 (26.0%)

Very Good

2,682 (44.8%)

Good

1,195 (19.9%)

Average

554 (9.2%)

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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