How much does a 0.20 - 0.49ct J SI2 lab grown emerald diamond cost?

As of April 2026, 0.20 - 0.49ct J SI2 lab grown emerald diamonds are available from ￥31,343 JPY to ￥12,860,191 JPY, with an average price of ￥947,961 JPY. There are currently 290 diamonds matching this specification available across retailers.

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0.20 - 0.49ct J SI2 Lab Grown Emerald

As of April 2026, there are 290 lab grown emerald diamonds with J color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥31,343 JPY to ￥12,860,191 JPY, with an average of ￥947,961 JPY.

Last updated: April 2026

Available

290

Lowest Price

￥31,343 JPY

Highest Price

￥12,860,191 JPY

Average Price

￥947,961 JPY

Score Distribution

290 diamonds scored across 4 quality tiers

Excellent

8 (2.8%)

Very Good

30 (10.3%)

Good

61 (21.0%)

Average

191 (65.9%)

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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