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Cushion|Lab Grown|IGI

1.26ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG605341663

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG605341663

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of November 1, 2026
Save £613 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £810 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.26ct lab-grown cushion diamond

This 1.26ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605341663 or 605341663. Listed at 9 retailers as of October 31, 2026, with a 371% 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

1.26
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605341663
Dimensions7.35 × 5.89 × 3.75 mm
L/W Ratio1.25
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
7.35 mm5.89 mm1.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605341663
Side View
Table 65.0%Crown 34.7°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 63.7%

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 1
Current: £810 GBP|Low: £165 GBP|High: £819 GBP|Avg: £435 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£165 GBP
Retailer 8£272 GBP
Retailer 5£318 GBP
Retailer 3£349 GBP
Retailer 7£367 GBP
Retailer 2£375 GBP
Retailer 10£405 GBP
Retailer 4£518 GBP
Retailer 9£778 GBP
MOH London£810 GBP

42 data points across 10 retailers

9 retailers£165 GBP to £778 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
Final sale: no returns
A
Retailer 2
-
£272 GBP
$365 USD
View
A
Retailer 3
-
£318 GBP
$426 USD
View
A
Retailer 4
-
£349 GBP
ZAR 7,548 ZAR
View
B+
Retailer 5
-
£367 GBP
$492 USD
View
A
Retailer 6
-
£375 GBP
View
Retailer 7
-
£518 GBP
A$1,067 AUD
View
Price last confirmed 32 days ago
B
Retailer 8
-
£778 GBP
$1,042 USD
View
Most Expensive
MOH London
LG605341663 · Oct 25
£810 GBP
View
Price last confirmed 8 days ago
8 more retailers have this diamond
Prices start from £165 GBPSave up to £613 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
1.26ct Cushion
£165 GBP