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Marquise|Lab Grown|IGI

1.26ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG804642583

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804642583

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of November 2, 2026
Save £630 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £789 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 LG804642583 or 804642583. Listed at 20 retailers as of November 1, 2026, with prices from £159 to £789, a £630 spread on the same certified stone. MOH London lists it at £789. 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 angle34.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804642583
Dimensions11.26 × 5.66 × 3.42 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm5.66 mm1.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804642583
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.4%

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 2
Current: £789 GBP|Low: £152 GBP|High: £798 GBP|Avg: £438 GBP|-0.1%
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
November 2, 2026
Retailer 11£159 GBP
Retailer 3£197 GBP
Retailer 4£338 GBP
Retailer 6£340 GBP
Retailer 8£344 GBP
Retailer 2£361 GBP
Retailer 5£379 GBP
Retailer 7£481 GBP
Retailer 13£504 GBP
Retailer 10£510 GBP
Retailer 12£619 GBP
Retailer 9£773 GBP
MOH London£789 GBP

45 data points across 13 retailers

20 retailers£159 GBP to £789 GBP

A
Cheapest Retailer
-
£159 GBP
$213 USD
A
Retailer 2
-
£184 GBP
$247 USD
View
Retailer 3
-
£197 GBP
$264 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£197 GBP
$264 USD
View
A
Retailer 5
-
£338 GBP
$453 USD
View
A
Retailer 6
-
£340 GBP
ZAR 7,351 ZAR
View
A
Retailer 7
-
£344 GBP
€439 EUR
View
A
Retailer 8
-
£355 GBP
$476 USD
View
A
Retailer 9
-
£361 GBP
View
A
Retailer 10
-
£379 GBP
$508 USD
View
B+
Retailer 11
-
£481 GBP
A$991 AUD
View
B+
Retailer 12
-
£504 GBP
$675 USD
View
Retailer 13
-
£504 GBP
$675 USD
View
Price last confirmed 63 days ago
B+
Retailer 14
-
£510 GBP
$683 USD
View
B
Retailer 15
-
£619 GBP
$830 USD
View
B
Retailer 16
-
£632 GBP
$847 USD
View
B
Retailer 17
-
£672 GBP
$900 USD
View
B
Retailer 18
-
£729 GBP
$977 USD
View
B
Retailer 19
-
£773 GBP
View
Most Expensive
B
MOH London
LG804642583 · Nov 1
£789 GBP
View
19 more retailers have this diamond
Prices start from £159 GBPSave up to £630 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
£159 GBP