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Cushion|Lab Grown|IGI

1.45ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG777635121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777635121

Diamond specifications and retailer prices

From £287 GBP
€367 EUR
As of November 2, 2026
Save £497 GBP (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £785 GBP at MOH London · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777635121 or 777635121. Listed at 6 retailers as of November 2, 2026, with prices from £287 to £785, a £497 spread on the same certified stone. MOH London lists it at £785. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777635121
Dimensions8.32 × 5.71 × 3.78 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm5.71 mm1.45 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777635121
Side View
Table 62.0%Crown 35.7°Girdle: STK-VTKPavilion 34.4°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £785 GBP|Low: £202 GBP|High: £833 GBP|Avg: £511 GBP|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4£202 GBP
Retailer 3£287 GBP
Retailer 8£312 GBP
Retailer 2£409 GBP
Retailer 6£415 GBP
Retailer 5£581 GBP
Retailer 9£584 GBP
Retailer 10£592 GBP
Retailer 7£706 GBP
MOH London£785 GBP

28 data points across 10 retailers

6 retailers£287 GBP to £785 GBP

A
Cheapest Retailer
-
£287 GBP
€367 EUR
A
Retailer 2
-
£409 GBP
A$845 AUD
View
A
Retailer 3
-
£415 GBP
$557 USD
View
B+
Retailer 4
-
£581 GBP
$780 USD
View
Retailer 5
-
£706 GBP
SGD 1,281 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG777635121 · Nov 2
£785 GBP
View
5 more retailers have this diamond
Prices start from £287 GBPSave up to £497 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
£287 GBP