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Cushion|Lab Grown|IGI

1.55ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG592361465

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG592361465

Diamond specifications and retailer prices

From £259 GBP
As of November 4, 2026
Save £655 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,251 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG592361465 or 592361465. Listed at 6 retailers as of November 4, 2026, with a 253% 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

1.55
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592361465
Dimensions6.44 × 6.44 × 4.18 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
6.44 mm6.44 mm1.55 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592361465
Side View
Table 61.0%Crown 34.7°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
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: £914 GBP|Low: £259 GBP|High: £944 GBP|Avg: £526 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 4£259 GBP
Retailer 3£333 GBP
Retailer 5£376 GBP
Retailer 7£417 GBP
Retailer 8£502 GBP
Retailer 2£609 GBP
Retailer 6£643 GBP
Retailer 9£834 GBP
Brilliant Earth£914 GBP

12 data points across 9 retailers

6 retailers£259 GBP to £914 GBP

B+
Cheapest Retailer
-
£259 GBP
A
Retailer 2
-
£333 GBP
View
B+
Retailer 3
-
£609 GBP
View
Retailer 4
-
£643 GBP
View
Price last confirmed 37 days ago
B
Retailer 5
-
£914 GBP
View
Most Expensive
Brilliant Earth
22186727A · Nov 4
£2,251 GBP
$3,030 USD
View
Price under review
5 more retailers have this diamond
Prices start from £259 GBPSave up to £655 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
1.55ct Cushion
£259 GBP