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Emerald|Lab Grown|UNKNOWN

0.42ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • UNKNOWN 811371137

Certificate UNKNOWN 811371137

Diamond specifications and retailer prices

From £212 GBP
$282 USD
As of October 27, 2026
Save £220 GBP (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £843 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.42ct lab-grown emerald diamond

This 0.42ct lab-grown emerald sits in the sub-half-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 811371137. Listed at 5 retailers as of October 27, 2026, with a 104% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 811371137
Dimensions5.27 × 3.40 × 2.30 mm
L/W Ratio1.55
Top View
5.27 mm3.40 mm0.42 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 811371137
Side View
Table 64.7%CrownGirdlePavilionCuletDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £843 GBP|Low: £203 GBP|High: £843 GBP|Avg: £371 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£212 GBP
Retailer 5£246 GBP
Retailer 3£262 GBP
Retailer 4£432 GBP
NZ Jewellers£843 GBP

8 data points across 5 retailers

5 retailers£212 GBP to £432 GBP

B+
Cheapest Retailer
-
£212 GBP
$282 USD
B
Retailer 2
-
£246 GBP
$327 USD
View
B
Retailer 3
-
£262 GBP
$349 USD
View
B
Retailer 4
-
£432 GBP
$575 USD
View
Most Expensive
C
NZ Jewellers
bb9b2052-6242-421d-b0b4-55c8b7dde60a · Oct 28
£843 GBP
$1,123 USD
View
Price under review
4 more retailers have this diamond
Prices start from £212 GBPSave up to £220 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.42ct Emerald
£212 GBP