How much does a 0.20 to 0.49ct I VVS1 lab grown emerald diamond cost?

As of October 2026, 0.20 to 0.49ct I VVS1 lab grown emerald diamonds typically cost £111 GBP to £183 GBP, with a median price of £149 GBP. There are currently 2 diamonds matching this specification available across retailers.

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0.20 to 0.49ct I VVS1 Lab Grown Emerald

Quick answer

As of October 2026, there are 2 lab grown emerald diamonds with I colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £111 GBP to £183 GBP, with a median of £149 GBP. The same specification in natural form lists at a median of about £938 GBP per carat.

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

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. Emerald lab grown stones in the index: 451 USD per carat, -8.3% 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

£101 GBP

Highest Price

£380 GBP

Average Price

£147 GBP

Score Distribution

3 diamonds scored across 2 quality tiers

Excellent

1 (33.3%)

Very Good

2 (66.7%)

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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