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Cushion|Lab Grown|IGI

1.53ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG605341042

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG605341042

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of November 1, 2026
Save £635 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £853 GBP at MOH London · As of October 21, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605341042 or 605341042. Listed at 9 retailers as of October 31, 2026, with a 367% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605341042
Dimensions6.62 × 6.61 × 4.51 mm
L/W Ratio1.00
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
6.62 mm6.61 mm1.53 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605341042
Side View
Table 61.0%Crown 36.7°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 68.2%

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: Nov 1
Current: £853 GBP|Low: £173 GBP|High: £858 GBP|Avg: £484 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£173 GBP
Retailer 8£282 GBP
Retailer 5£331 GBP
Retailer 3£365 GBP
Retailer 6£383 GBP
Retailer 2£392 GBP
Retailer 4£780 GBP
Retailer 9£808 GBP
MOH London£853 GBP

41 data points across 9 retailers

9 retailers£173 GBP to £808 GBP

A
Cheapest Retailer
-
£173 GBP
$232 USD
Final sale: no returns
A
Retailer 2
-
£282 GBP
$378 USD
View
B+
Retailer 3
-
£331 GBP
$444 USD
View
A
Retailer 4
-
£365 GBP
ZAR 7,919 ZAR
View
A
Retailer 5
-
£383 GBP
$514 USD
View
A
Retailer 6
-
£392 GBP
View
B
Retailer 7
-
£780 GBP
$1,047 USD
View
B
Retailer 8
-
£808 GBP
$1,084 USD
View
Most Expensive
MOH London
LG605341042 · Oct 21
£853 GBP
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from £173 GBPSave up to £635 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
£173 GBP