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Marquise|Lab Grown|IGI

1.25ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG754519178

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754519178

Diamond specifications and retailer prices

From £328 GBP
$437 USD
As of October 28, 2026
Save £443 GBP (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £772 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754519178 or 754519178. Listed at 5 retailers as of October 25, 2026, with prices from £328 to £772, a £443 spread on the same certified stone. MOH London lists it at £772. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754519178
Dimensions11.05 × 5.75 × 3.56 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm5.75 mm1.25 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754519178
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £772 GBP|Low: £313 GBP|High: £779 GBP|Avg: £484 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3£328 GBP
Retailer 2£349 GBP
Retailer 4£350 GBP
Retailer 5£658 GBP
MOH London£772 GBP

41 data points across 5 retailers

5 retailers£328 GBP to £772 GBP

A
Cheapest Retailer
-
£328 GBP
$437 USD
A
Retailer 2
-
£349 GBP
View
A
Retailer 3
-
£350 GBP
$466 USD
View
B
Retailer 4
-
£658 GBP
$876 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG754519178 · Oct 25
£772 GBP
View
4 more retailers have this diamond
Prices start from £328 GBPSave up to £443 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
1.25ct Marquise
£328 GBP