How much does a 0.20 - 0.49ct G SI2 lab grown cushion diamond cost?

As of April 2026, 0.20 - 0.49ct G SI2 lab grown cushion diamonds are available from HK$2,481 HKD to HK$46,000 HKD, with an average price of HK$11,630 HKD. There are currently 79 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 cushion diamond?

Compare prices across retailers on Carat Hunter to see all your options.

0.20 - 0.49ct G SI2 Lab Grown Cushion

As of April 2026, there are 79 lab grown cushion diamonds with G color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from HK$2,481 HKD to HK$46,000 HKD, with an average of HK$11,630 HKD.

Last updated: April 2026

Available

Lowest Price

HK$2,481 HKD

Highest Price

HK$46,000 HKD

Average Price

HK$11,630 HKD

Score Distribution

79 diamonds scored across 4 quality tiers

Excellent

15 (19.0%)

Very Good

16 (20.3%)

Good

10 (12.7%)

Average

38 (48.1%)

Find Your Diamond

Search 79 G SI2 cushion diamonds and compare prices.

Search Diamonds

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