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Cushion|Lab Grown|IGI

1.45ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG555298854

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

Certificate IGI LG555298854

Diamond specifications and retailer prices

From £153 GBP
As of November 4, 2026
Save £718 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £870 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG555298854 or 555298854. Listed at 11 retailers as of November 4, 2026, with prices from £153 to £870, a £718 spread on the same certified stone. MOH London lists it at £870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555298854
Dimensions6.63 × 6.62 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.63 mm6.62 mm1.45 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555298854
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 64.5%

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 4
Current: £870 GBP|Low: £153 GBP|High: £882 GBP|Avg: £472 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10£153 GBP
Retailer 8£298 GBP
Retailer 5£321 GBP
Retailer 2£339 GBP
Retailer 9£359 GBP
Retailer 3£455 GBP
Retailer 6£681 GBP
Retailer 4£733 GBP
Retailer 7£800 GBP
MOH London£870 GBP

43 data points across 10 retailers

11 retailers£153 GBP to £870 GBP

A
Cheapest Retailer
-
£153 GBP
Final sale: no returns
B+
Retailer 2
-
£298 GBP
View
A
Retailer 3
-
£321 GBP
View
A
Retailer 4
-
£339 GBP
View
A
Retailer 5
-
£359 GBP
View
A
Retailer 6
-
£455 GBP
View
Retailer 7
-
£681 GBP
View
Price last confirmed 17 days ago
B
Retailer 8
-
£727 GBP
View
B
Retailer 9
-
£733 GBP
View
B
Retailer 10
-
£800 GBP
View
Most Expensive
B
MOH London
LG555298854 · Nov 5
£870 GBP
View
10 more retailers have this diamond
Prices start from £153 GBPSave up to £718 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
1.45ct Cushion
£153 GBP