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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805618443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805618443

Diamond specifications and retailer prices

From £144 GBP
$193 USD
As of October 26, 2026
Save £694 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £838 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805618443 or 805618443. Listed at 17 retailers as of October 26, 2026, with prices from £144 to £838, a £694 spread on the same certified stone. MOH London lists it at £838. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618443
Dimensions7.34 × 7.26 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm7.26 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805618443
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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 26
Current: £838 GBP|Low: £144 GBP|High: £896 GBP|Avg: £386 GBP|+7.9%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 31, 2026
Retailer 6£144 GBP
Retailer 4£161 GBP
Retailer 3£167 GBP
Retailer 5£179 GBP
Retailer 18£201 GBP
Retailer 12£291 GBP
Retailer 15£310 GBP
Retailer 7£313 GBP
Retailer 17£320 GBP
Retailer 16£323 GBP
Retailer 9£371 GBP
Retailer 2£407 GBP
Retailer 11£454 GBP
Retailer 13£545 GBP
Retailer 8£575 GBP
Retailer 14£577 GBP
Retailer 10£649 GBP
MOH London£838 GBP

39 data points across 18 retailers

17 retailers£144 GBP to £838 GBP

A
Cheapest Retailer
-
£144 GBP
$193 USD
A
Retailer 2
-
£167 GBP
$224 USD
View
Retailer 3
-
£179 GBP
$240 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£201 GBP
HK$2,100 HKD
View
A
Retailer 5
-
£291 GBP
€371 EUR
View
A
Retailer 6
-
£310 GBP
View
B+
Retailer 7
-
£313 GBP
$419 USD
View
A
Retailer 8
-
£320 GBP
$429 USD
View
A
Retailer 9
-
£323 GBP
View
A
Retailer 10
-
£371 GBP
$497 USD
View
B+
Retailer 11
-
£407 GBP
A$838 AUD
View
B+
Retailer 12
-
£454 GBP
$608 USD
View
B+
Retailer 13
-
£545 GBP
$730 USD
View
B+
Retailer 14
-
£575 GBP
$771 USD
View
B+
Retailer 15
-
£577 GBP
SGD 1,045 SGD
View
B
Retailer 16
-
£649 GBP
$870 USD
View
Most Expensive
B
MOH London
LG805618443 · Oct 26
£838 GBP
View
16 more retailers have this diamond
Prices start from £144 GBPSave up to £694 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
1.50ct Round
£144 GBP