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Emerald|Lab Grown|IGI

1.43ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG833699321

Shape and cutting style on the report: Emerald cut

Certificate IGI LG833699321

Diamond specifications and retailer prices

From £191 GBP
HK$2,000 HKD
As of October 30, 2026
Save £586 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £777 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833699321 or 833699321. Listed at 5 retailers as of October 25, 2026, with prices from £191 to £777, a £586 spread on the same certified stone. MOH London lists it at £777. 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

1.43
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833699321
Dimensions7.35 × 5.25 × 3.68 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm5.25 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833699321
Side View
Table 64.0%Crown 32.5°Girdle: Slightly ThickPavilion 40.6°Culet: LargeDepth 70.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £777 GBP|Low: £191 GBP|High: £786 GBP|Avg: £322 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5£191 GBP
Retailer 4£225 GBP
Retailer 3£284 GBP
Retailer 2£299 GBP
MOH London£777 GBP

32 data points across 5 retailers

5 retailers£191 GBP to £777 GBP

A
Cheapest Retailer
-
£191 GBP
HK$2,000 HKD
B+
Retailer 2
-
£225 GBP
$302 USD
View
A
Retailer 3
-
£284 GBP
€363 EUR
View
A
Retailer 4
-
£299 GBP
View
Most Expensive
B
MOH London
LG833699321 · Oct 25
£777 GBP
View
4 more retailers have this diamond
Prices start from £191 GBPSave up to £586 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.

A
1.43ct Emerald
£191 GBP