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Cushion|Lab Grown|IGI

1.38ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG792667702

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG792667702

Diamond specifications and retailer prices

From £453 GBP
As of November 6, 2026
Save £1,130 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,584 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.38ct lab-grown cushion diamond

This 1.38ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792667702 or 792667702. Listed at 14 retailers as of November 3, 2026, with prices from £453 to £1,584, a £1,130 spread on the same certified stone. MOH London lists it at £1,584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792667702
Dimensions8.33 × 5.54 × 3.49 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.54 mm1.38 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792667702
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 31.9°Culet: NoneDepth 63.0%

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 6
Current: £1,584 GBP|Low: £431 GBP|High: £1,982 GBP|Avg: £944 GBP|-20.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13£431 GBP
Retailer 2£453 GBP
Retailer 10£538 GBP
Retailer 12£579 GBP
Retailer 3£660 GBP
Retailer 7£705 GBP
Retailer 9£743 GBP
Retailer 14£819 GBP
Retailer 8£1,054 GBP
Retailer 5£1,252 GBP
Retailer 11£1,285 GBP
Retailer 6£1,368 GBP
Retailer 4£1,408 GBP
MOH London£1,584 GBP

40 data points across 14 retailers

14 retailers£453 GBP to £1,584 GBP

Retailer 1
-
£431 GBP
Price last confirmed 22 days ago
A
Retailer 2
-
£453 GBP
View
A
Retailer 3
-
£538 GBP
View
A
Retailer 4
-
£579 GBP
View
A
Retailer 5
-
£660 GBP
View
A
Retailer 6
-
£705 GBP
View
A
Retailer 7
-
£743 GBP
View
A
Retailer 8
-
£819 GBP
View
B+
Retailer 9
-
£1,054 GBP
View
B+
Retailer 10
-
£1,252 GBP
View
B+
Retailer 11
-
£1,285 GBP
View
B
Retailer 12
-
£1,368 GBP
View
B
Retailer 13
-
£1,408 GBP
View
Most Expensive
B
MOH London
LG792667702 · Nov 3
£1,584 GBP
View
13 more retailers have this diamond
Prices start from £453 GBPSave up to £1,130 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
1.38ct Cushion
£453 GBP