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Round|Lab Grown|IGI

1.52ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG781634284

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781634284

Diamond specifications and retailer prices

From £143 GBP
$191 USD
As of October 29, 2026
Save £684 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £827 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781634284 or 781634284. Listed at 19 retailers as of October 29, 2026, with prices from £143 to £827, a £684 spread on the same certified stone. MOH London lists it at £827. 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

1.52
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781634284
Dimensions7.40 × 7.34 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.34 mm1.52 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781634284
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £827 GBP|Low: £139 GBP|High: £856 GBP|Avg: £400 GBP|-3.4%
MOH London
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 1, 2026
Retailer 4£143 GBP
Retailer 14£159 GBP
Retailer 13£166 GBP
Retailer 9£177 GBP
Retailer 5£178 GBP
Retailer 15£310 GBP
Retailer 2£318 GBP
Retailer 6£342 GBP
Retailer 12£425 GBP
Retailer 11£454 GBP
Retailer 8£537 GBP
Retailer 10£568 GBP
Retailer 16£577 GBP
Retailer 3£608 GBP
Retailer 7£642 GBP
MOH London£827 GBP

34 data points across 16 retailers

19 retailers£143 GBP to £827 GBP

A
Cheapest Retailer
-
£143 GBP
$191 USD
Retailer 2
-
£143 GBP
$191 USD
View
Price last confirmed 43 days ago
A
Retailer 3
-
£159 GBP
$213 USD
View
Final sale: no returns
A
Retailer 4
-
£166 GBP
$222 USD
View
Retailer 5
-
£175 GBP
$234 USD
View
Price last confirmed 42 days ago
A
Retailer 6
-
£177 GBP
$237 USD
View
Retailer 7
-
£178 GBP
$238 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£310 GBP
$415 USD
View
A
Retailer 9
-
£318 GBP
View
A
Retailer 10
-
£342 GBP
$458 USD
View
B+
Retailer 11
-
£425 GBP
$570 USD
View
B+
Retailer 12
-
£454 GBP
$608 USD
View
Retailer 13
-
£537 GBP
$720 USD
View
Price last confirmed 10 days ago
Retailer 14
-
£568 GBP
$761 USD
View
Price last confirmed 41 days ago
B
Retailer 15
-
£568 GBP
$761 USD
View
B
Retailer 16
-
£577 GBP
SGD 1,045 SGD
View
B+
Retailer 17
-
£608 GBP
$815 USD
View
B
Retailer 18
-
£642 GBP
$860 USD
View
Most Expensive
B
MOH London
LG781634284 · Nov 1
£827 GBP
View
18 more retailers have this diamond
Prices start from £143 GBPSave up to £684 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
1.52ct Round
£143 GBP