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Marquise|Lab Grown|IGI

1.55ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG774671514

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774671514

Diamond specifications and retailer prices

From £513 GBP
As of November 6, 2026
10 retailers carry this diamond
Most expensive: £1,551 GBP at MOH London · As of October 4, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG774671514 or 774671514. Listed at 10 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774671514
Dimensions12.32 × 6.00 × 3.65 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm6.00 mm1.55 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774671514
Side View
Table 62.0%Crown 35.3°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,551 GBP|Low: £341 GBP|High: £2,705 GBP|Avg: £962 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
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Retailer 21
October 29, 2026
Retailer 6£341 GBP
Retailer 3£378 GBP
Retailer 20£403 GBP
Retailer 5£489 GBP
Retailer 2£513 GBP
Retailer 19£597 GBP
Retailer 9£606 GBP
Retailer 15£684 GBP
Retailer 7£711 GBP
Retailer 17£717 GBP
Retailer 10£833 GBP
Retailer 21£974 GBP
Retailer 16£976 GBP
Retailer 11£984 GBP
Retailer 13£1,055 GBP
Retailer 12£1,074 GBP
Retailer 8£1,225 GBP
Retailer 18£1,414 GBP
MOH London£1,551 GBP
Retailer 14£1,845 GBP
Retailer 4£2,705 GBP

17 data points across 21 retailers

10 retailers

Retailer 1
-
£305 GBP
Price last confirmed 30 days ago
Retailer 2
-
£341 GBP
View
Price last confirmed 39 days ago
Retailer 3
-
£378 GBP
View
Price last confirmed 35 days ago
A
Retailer 4
-
£513 GBP
View
Retailer 5
-
£693 GBP
View
Price last confirmed 80 days ago
Retailer 6
-
£711 GBP
View
Price last confirmed 47 days ago
Retailer 7
-
£717 GBP
View
Price last confirmed 33 days ago
Retailer 8
-
£1,055 GBP
View
Price last confirmed 26 days ago
Retailer 9
-
£1,341 GBP
View
Price last confirmed 38 days ago
Most Expensive
MOH London
LG774671514 · Oct 4
£1,551 GBP
View
Price last confirmed 33 days ago
9 more retailers have this diamond
Prices start from £513 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
1.55ct Marquise
£513 GBP