Emerald|Lab Grown|UNKNOWN

0.40ct J VS2 Emerald Lab Grown Diamond

ID • J/VS2 • UNKNOWN 27257257

Certificate UNKNOWN 27257257

Diamond specifications and retailer prices

From €166 EUR
$185 USD
As of October 29, 2026
Save €497 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €663 EUR at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.4ct lab-grown emerald diamond

This 0.4ct lab-grown emerald sits in the sub-half-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 27257257. Listed at 5 retailers as of October 28, 2026, with prices from €166 to €663, a €497 spread on the same certified stone. NZ Jewellers lists it at €663. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 27257257
Dimensions4.87 × 3.42 × 2.37 mm
L/W Ratio1.42
Top View
4.87 mm3.42 mm0.40 ctJ / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 27257257
Side View
Table 77.2%CrownGirdlePavilionCuletDepth 69.2%

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 29
Current: €663 EUR|Low: €160 EUR|High: €663 EUR|Avg: €296 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2€166 EUR
Retailer 5€193 EUR
Retailer 3€206 EUR
Retailer 4€363 EUR
NZ Jewellers€663 EUR

8 data points across 5 retailers

5 retailers€166 EUR to €663 EUR

B+
Cheapest Retailer
-
€166 EUR
$185 USD
B+
Retailer 2
-
€193 EUR
$215 USD
View
B+
Retailer 3
-
€206 EUR
$229 USD
View
B
Retailer 4
-
€363 EUR
$404 USD
View
Most Expensive
C
NZ Jewellers
afbbeee8-d47f-4e3e-957b-59fc7e50d8fe · Oct 28
€663 EUR
$738 USD
View
4 more retailers have this diamond
Prices start from €166 EURSave up to €497 EUR

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+
0.40ct Emerald
€166 EUR