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Emerald|Lab Grown|UNKNOWN

0.43ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • UNKNOWN 72812280

Certificate UNKNOWN 72812280

Diamond specifications and retailer prices

From £187 GBP
$249 USD
As of October 29, 2026
Save £201 GBP (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £744 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 72812280. Listed at 5 retailers as of October 28, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 72812280
Dimensions5.23 × 3.66 × 2.26 mm
L/W Ratio1.43
Top View
5.23 mm3.66 mm0.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 72812280
Side View
Table 67.4%CrownGirdlePavilionCuletDepth 61.8%

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: £744 GBP|Low: £179 GBP|High: £744 GBP|Avg: £329 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£187 GBP
Retailer 5£217 GBP
Retailer 3£231 GBP
Retailer 4£388 GBP
NZ Jewellers£744 GBP

8 data points across 5 retailers

5 retailers£187 GBP to £388 GBP

B+
Cheapest Retailer
-
£187 GBP
$249 USD
B
Retailer 2
-
£217 GBP
$289 USD
View
B
Retailer 3
-
£231 GBP
$308 USD
View
C
Retailer 4
-
£388 GBP
$517 USD
View
Most Expensive
NZ Jewellers
a3b27b0c-73d7-4164-8a05-fe4c003bfee7 · Oct 28
£744 GBP
$991 USD
View
Price under review
4 more retailers have this diamond
Prices start from £187 GBPSave up to £201 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
£187 GBP