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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG792657659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792657659

Diamond specifications and retailer prices

From £152 GBP
As of November 5, 2026
Save £723 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £875 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792657659 or 792657659. Listed at 18 retailers as of November 5, 2026, with prices from £152 to £875, a £723 spread on the same certified stone. MOH London lists it at £875. 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

1.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792657659
Dimensions7.30 × 7.36 × 4.58 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
7.30 mm7.36 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792657659
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £875 GBP|Low: £152 GBP|High: £892 GBP|Avg: £405 GBP|+10.4%
MOH London
Retailer 2
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Retailer 18
November 6, 2026
Retailer 18£152 GBP
Retailer 15£169 GBP
Retailer 13£175 GBP
Retailer 14£187 GBP
Retailer 6£209 GBP
Retailer 12£290 GBP
Retailer 17£306 GBP
Retailer 16£325 GBP
Retailer 2£338 GBP
Retailer 7£343 GBP
Retailer 9£380 GBP
Retailer 4£414 GBP
Retailer 8£568 GBP
Retailer 3£603 GBP
Retailer 11£605 GBP
Retailer 5£609 GBP
Retailer 10£728 GBP
MOH London£875 GBP

35 data points across 18 retailers

18 retailers£152 GBP to £875 GBP

A
Cheapest Retailer
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£152 GBP
A
Retailer 2
-
£169 GBP
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
View
A
Retailer 4
-
£187 GBP
View
A
Retailer 5
-
£209 GBP
View
A
Retailer 6
-
£290 GBP
View
A
Retailer 7
-
£306 GBP
View
B+
Retailer 8
-
£325 GBP
View
A
Retailer 9
-
£338 GBP
View
A
Retailer 10
-
£343 GBP
View
Retailer 11
-
£380 GBP
View
Price last confirmed 11 days ago
A
Retailer 12
-
£414 GBP
View
Retailer 13
-
£568 GBP
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£603 GBP
View
B
Retailer 15
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£605 GBP
View
B+
Retailer 16
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£609 GBP
View
B
Retailer 17
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£728 GBP
View
Most Expensive
B
MOH London
LG792657659 · Nov 5
£875 GBP
View
17 more retailers have this diamond
Prices start from £152 GBPSave up to £723 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
1.53ct Round
£152 GBP