Emerald|Lab Grown|UNKNOWN

0.43ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • UNKNOWN 27022446

Certificate UNKNOWN 27022446

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 29, 2026
Save £381 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £508 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.43ct lab-grown emerald diamond

This 0.43ct lab-grown emerald sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 27022446. Listed at 5 retailers as of October 28, 2026, with prices from £128 to £508, a £381 spread on the same certified stone. NZ Jewellers lists it at £508. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.43
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 27022446
Dimensions5.33 × 3.41 × 2.37 mm
L/W Ratio1.56
Top View
5.33 mm3.41 mm0.43 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 27022446
Side View
Table 66.4%CrownGirdlePavilionCuletDepth 69.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £508 GBP|Low: £122 GBP|High: £508 GBP|Avg: £228 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£128 GBP
Retailer 5£148 GBP
Retailer 3£158 GBP
Retailer 4£283 GBP
NZ Jewellers£508 GBP

8 data points across 5 retailers

5 retailers£128 GBP to £508 GBP

B+
Cheapest Retailer
-
£128 GBP
$171 USD
B+
Retailer 2
-
£148 GBP
$198 USD
View
B+
Retailer 3
-
£158 GBP
$212 USD
View
B
Retailer 4
-
£283 GBP
$379 USD
View
Most Expensive
C
NZ Jewellers
0aed5f87-ca36-4247-9d83-32b0fa3e3273 · Oct 28
£508 GBP
$681 USD
View
4 more retailers have this diamond
Prices start from £128 GBPSave up to £381 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+
0.43ct Emerald
£128 GBP