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Cushion|Lab Grown|IGI

1.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG817640139

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817640139

Diamond specifications and retailer prices

From £209 GBP
As of November 4, 2026
Save £648 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £857 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817640139 or 817640139. Listed at 8 retailers as of November 2, 2026, with prices from £209 to £857, a £648 spread on the same certified stone. MOH London lists it at £857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817640139
Dimensions8.38 × 5.73 × 3.88 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm5.73 mm1.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817640139
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.7%

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: £857 GBP|Low: £209 GBP|High: £892 GBP|Avg: £580 GBP|+9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£209 GBP
Retailer 5£308 GBP
Retailer 4£426 GBP
Retailer 7£429 GBP
Retailer 2£659 GBP
Retailer 6£754 GBP
Retailer 8£765 GBP
MOH London£857 GBP

35 data points across 8 retailers

8 retailers£209 GBP to £857 GBP

A
Cheapest Retailer
-
£209 GBP
A
Retailer 2
-
£308 GBP
View
A
Retailer 3
-
£426 GBP
View
A
Retailer 4
-
£429 GBP
View
B+
Retailer 5
-
£659 GBP
View
B
Retailer 6
-
£754 GBP
View
Retailer 7
-
£765 GBP
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG817640139 · Nov 2
£857 GBP
View
7 more retailers have this diamond
Prices start from £209 GBPSave up to £648 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
1.50ct Cushion
£209 GBP