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Round|Lab Grown|IGI

1.43ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG605370011

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605370011

Diamond specifications and retailer prices

From £133 GBP
$178 USD
As of October 29, 2026
Save £721 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £854 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605370011 or 605370011. Listed at 8 retailers as of October 29, 2026, with prices from £133 to £854, a £721 spread on the same certified stone. MOH London lists it at £854. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605370011
Dimensions7.21 × 7.15 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.21 mm7.15 mm1.43 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605370011
Side View
Table 58.0%Crown 35.6°Girdle: Med.Pavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £854 GBP|Low: £106 GBP|High: £858 GBP|Avg: £455 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6£133 GBP
Retailer 10£147 GBP
Retailer 2£154 GBP
Retailer 9£292 GBP
Retailer 12£331 GBP
Retailer 3£406 GBP
Retailer 7£414 GBP
Retailer 11£522 GBP
Retailer 5£559 GBP
Retailer 8£584 GBP
MOH London£854 GBP
Retailer 4£858 GBP

15 data points across 12 retailers

8 retailers£133 GBP to £854 GBP

A
Cheapest Retailer
-
£133 GBP
$178 USD
A
Retailer 2
-
£147 GBP
$197 USD
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
$206 USD
View
B+
Retailer 4
-
£292 GBP
$391 USD
View
Retailer 5
-
£414 GBP
$555 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
£559 GBP
$749 USD
View
B
Retailer 7
-
£584 GBP
$783 USD
View
Most Expensive
B
MOH London
LG605370011 · Oct 29
£854 GBP
View
7 more retailers have this diamond
Prices start from £133 GBPSave up to £721 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 Round
£133 GBP