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Cushion|Lab Grown|IGI

1.26ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG635414307

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG635414307

Diamond specifications and retailer prices

From £295 GBP
$396 USD
As of November 1, 2026
Save £762 GBP (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,057 GBP at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

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 LG635414307 or 635414307. Listed at 4 retailers as of November 1, 2026, with prices from £295 to £1,057, a £762 spread on the same certified stone. Diamond Exchange Canada lists it at £1,057. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635414307
Dimensions6.29 × 6.19 × 4.13 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.19 mm1.26 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635414307
Side View
Table 63.0%Crown 36.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,057 GBP|Low: £295 GBP|High: £1,193 GBP|Avg: £685 GBP|-11.4%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 7, 2026
Retailer 3£295 GBP
Retailer 2£389 GBP
Retailer 4£917 GBP
Diamond Exchange Canada£1,057 GBP

4 data points across 4 retailers

4 retailers£295 GBP to £1,057 GBP

A
Cheapest Retailer
-
£295 GBP
$396 USD
B+
Retailer 2
-
£389 GBP
$522 USD
View
B
Retailer 3
-
£917 GBP
$1,230 USD
View
Most Expensive
B
Diamond Exchange Canada
1856870737 · Nov 2
£1,057 GBP
CA$1,970 CAD
View
3 more retailers have this diamond
Prices start from £295 GBPSave up to £762 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
£295 GBP