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Cushion|Lab Grown|IGI

1.55ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG830686515

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830686515

Diamond specifications and retailer prices

From £221 GBP
As of November 4, 2026
Save £624 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £845 GBP at MOH London · As of November 5, 2026
View at MOH London

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 LG830686515 or 830686515. Listed at 7 retailers as of November 4, 2026, with prices from £221 to £845, a £624 spread on the same certified stone. MOH London lists it at £845. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830686515
Dimensions8.27 × 5.96 × 4.01 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm5.96 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830686515
Side View
Table 63.0%Crown 34°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £845 GBP|Low: £221 GBP|High: £862 GBP|Avg: £632 GBP|+8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£221 GBP
Retailer 5£311 GBP
Retailer 4£594 GBP
Retailer 2£672 GBP
Retailer 6£759 GBP
Retailer 7£777 GBP
MOH London£845 GBP

30 data points across 7 retailers

7 retailers£221 GBP to £845 GBP

A
Cheapest Retailer
-
£221 GBP
A
Retailer 2
-
£311 GBP
View
B+
Retailer 3
-
£594 GBP
View
B+
Retailer 4
-
£672 GBP
View
B+
Retailer 5
-
£759 GBP
View
Retailer 6
-
£777 GBP
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG830686515 · Nov 5
£845 GBP
View
6 more retailers have this diamond
Prices start from £221 GBPSave up to £624 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
£221 GBP