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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG739592953

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739592953

Diamond specifications and retailer prices

From £197 GBP
As of November 6, 2026
Save £636 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £833 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion 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 LG739592953 or 739592953. Listed at 8 retailers as of November 5, 2026, with prices from £197 to £833, a £636 spread on the same certified stone. MOH London lists it at £833. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739592953
Dimensions8.16 × 6.11 × 4.14 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm6.11 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739592953
Side View
Table 54.0%Crown 32.1°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £833 GBP|Low: £197 GBP|High: £1,248 GBP|Avg: £515 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4£197 GBP
Retailer 8£200 GBP
Retailer 2£305 GBP
Retailer 9£312 GBP
Retailer 5£321 GBP
Retailer 6£372 GBP
Retailer 7£374 GBP
Retailer 10£708 GBP
Retailer 11£823 GBP
MOH London£833 GBP
Retailer 3£1,248 GBP

10 data points across 11 retailers

8 retailers£197 GBP to £833 GBP

A
Cheapest Retailer
-
£197 GBP
A
Retailer 2
-
£200 GBP
View
A
Retailer 3
-
£305 GBP
View
B+
Retailer 4
-
£312 GBP
View
A
Retailer 5
-
£321 GBP
View
A
Retailer 6
-
£372 GBP
View
A
Retailer 7
-
£374 GBP
View
Most Expensive
B
MOH London
LG739592953 · Nov 5
£833 GBP
View
7 more retailers have this diamond
Prices start from £197 GBPSave up to £636 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 Cushion
£197 GBP