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Marquise|Lab Grown|IGI

1.45ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG795641811

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795641811

Diamond specifications and retailer prices

From £347 GBP
As of November 4, 2026
Save £465 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £812 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG795641811 or 795641811. Listed at 7 retailers as of November 4, 2026, with prices from £347 to £812, a £465 spread on the same certified stone. MOH London lists it at £812. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795641811
Dimensions11.40 × 5.78 × 3.70 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm5.78 mm1.45 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795641811
Side View
Table 64.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £812 GBP|Low: £328 GBP|High: £823 GBP|Avg: £536 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£347 GBP
Retailer 2£374 GBP
Retailer 5£444 GBP
Retailer 6£448 GBP
Retailer 3£607 GBP
Retailer 7£692 GBP
MOH London£812 GBP

32 data points across 7 retailers

7 retailers£347 GBP to £812 GBP

A
Cheapest Retailer
-
£347 GBP
A
Retailer 2
-
£374 GBP
View
B+
Retailer 3
-
£444 GBP
View
B+
Retailer 4
-
£448 GBP
View
B
Retailer 5
-
£607 GBP
View
B
Retailer 6
-
£692 GBP
View
Most Expensive
B
MOH London
LG795641811 · Nov 5
£812 GBP
View
6 more retailers have this diamond
Prices start from £347 GBPSave up to £465 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
1.45ct Marquise
£347 GBP