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Marquise|Lab Grown|IGI

1.26ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG810615297

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG810615297

Diamond specifications and retailer prices

From £281 GBP
$377 USD
As of November 1, 2026
Save £738 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,019 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.26ct lab-grown marquise diamond

This 1.26ct lab-grown marquise 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 LG810615297 or 810615297. Listed at 10 retailers as of November 1, 2026, with prices from £281 to £1,019, a £738 spread on the same certified stone. MOH London lists it at £1,019. 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 angle33.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810615297
Dimensions11.37 × 5.63 × 3.42 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.63 mm1.26 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810615297
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,019 GBP|Low: £281 GBP|High: £1,032 GBP|Avg: £580 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9£281 GBP
Retailer 8£309 GBP
Retailer 6£409 GBP
Retailer 2£448 GBP
Retailer 3£483 GBP
Retailer 7£537 GBP
Retailer 4£575 GBP
Retailer 5£917 GBP
Retailer 10£942 GBP
MOH London£1,019 GBP

41 data points across 10 retailers

10 retailers£281 GBP to £1,019 GBP

A
Cheapest Retailer
-
£281 GBP
$377 USD
A
Retailer 2
-
£309 GBP
$414 USD
View
B+
Retailer 3
-
£409 GBP
$549 USD
View
B+
Retailer 4
-
£448 GBP
View
B+
Retailer 5
-
£483 GBP
A$998 AUD
View
Retailer 6
-
£537 GBP
$721 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£575 GBP
A$1,188 AUD
View
B
Retailer 8
-
£917 GBP
$1,230 USD
View
B
Retailer 9
-
£942 GBP
$1,265 USD
View
Most Expensive
B
MOH London
LG810615297 · Nov 1
£1,019 GBP
View
9 more retailers have this diamond
Prices start from £281 GBPSave up to £738 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 Marquise
£281 GBP