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Cushion|Lab Grown|IGI

1.26ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG685525139

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685525139

Diamond specifications and retailer prices

From £425 GBP
$565 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £425 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

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 LG685525139 or 685525139. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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 angle36.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685525139
Dimensions6.47 × 6.20 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.47 mm6.20 mm1.26 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685525139
Side View
Table 63.0%Crown 36.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £425 GBP|Low: £415 GBP|High: £634 GBP|Avg: £490 GBP|-33.0%
September 23, 2026
B2C Jewels£425 GBP

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
27738440 · Oct 29
£425 GBP
$565 USD
View

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B+
1.26ct Cushion
£425 GBP