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Cushion|Lab Grown|IGI

1.54ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG662440328

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662440328

Diamond specifications and retailer prices

From £275 GBP
As of November 4, 2026
Save £832 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,107 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662440328 or 662440328. Listed at 12 retailers as of November 4, 2026, with prices from £275 to £1,107, a £832 spread on the same certified stone. Brilliant Earth lists it at £1,107. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662440328
Dimensions6.72 × 6.70 × 4.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.70 mm1.54 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662440328
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 65.5%

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: £1,107 GBP|Low: £203 GBP|High: £1,189 GBP|Avg: £543 GBP|-6.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 12£203 GBP
Retailer 8£275 GBP
Retailer 11£313 GBP
Retailer 3£374 GBP
Retailer 10£380 GBP
Retailer 2£424 GBP
Retailer 13£448 GBP
Retailer 9£602 GBP
Retailer 5£634 GBP
Retailer 4£692 GBP
Retailer 6£887 GBP
Retailer 7£900 GBP
Brilliant Earth£1,107 GBP

42 data points across 13 retailers

12 retailers£275 GBP to £1,107 GBP

Retailer 1
-
£203 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
£275 GBP
View
A
Retailer 3
-
£313 GBP
View
A
Retailer 4
-
£374 GBP
View
A
Retailer 5
-
£380 GBP
View
A
Retailer 6
-
£424 GBP
View
A
Retailer 7
-
£448 GBP
View
B+
Retailer 8
-
£602 GBP
View
Retailer 9
-
£692 GBP
View
Price last confirmed 18 days ago
B
Retailer 10
-
£887 GBP
View
B
Retailer 11
-
£900 GBP
View
Most Expensive
B
Brilliant Earth
12124293A · Nov 4
£1,107 GBP
$1,490 USD
View
11 more retailers have this diamond
Prices start from £275 GBPSave up to £832 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
1.54ct Cushion
£275 GBP