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Marquise|Lab Grown|IGI

1.05ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG851656315

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851656315

Diamond specifications and retailer prices

From £160 GBP
As of November 1, 2026
Save £641 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £801 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851656315 or 851656315. Listed at 13 retailers as of November 1, 2026, with prices from £160 to £801, a £641 spread on the same certified stone. MOH London lists it at £801. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851656315
Dimensions10.75 × 5.35 × 3.31 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm5.35 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851656315
Side View
Table 55.0%Crown 34.3°Girdle: THN-MEDPavilion 39.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £801 GBP|Low: £160 GBP|High: £808 GBP|Avg: £430 GBP|-0.8%
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 5, 2026
Retailer 7£160 GBP
Retailer 3£190 GBP
Retailer 2£204 GBP
Retailer 13£267 GBP
Retailer 11£302 GBP
Retailer 5£405 GBP
Retailer 6£419 GBP
Retailer 4£464 GBP
Retailer 8£553 GBP
Retailer 9£554 GBP
Retailer 12£570 GBP
Retailer 10£632 GBP
MOH London£801 GBP

8 data points across 13 retailers

13 retailers£160 GBP to £801 GBP

A
Cheapest Retailer
-
£160 GBP
A
Retailer 2
-
£190 GBP
View
A
Retailer 3
-
£204 GBP
View
A
Retailer 4
-
£267 GBP
View
A
Retailer 5
-
£302 GBP
View
B+
Retailer 6
-
£405 GBP
View
B+
Retailer 7
-
£419 GBP
View
B
Retailer 8
-
£464 GBP
View
B
Retailer 9
-
£553 GBP
View
B
Retailer 10
-
£554 GBP
View
B
Retailer 11
-
£570 GBP
View
B
Retailer 12
-
£632 GBP
View
Most Expensive
B
MOH London
LG851656315 · Nov 5
£801 GBP
View
12 more retailers have this diamond
Prices start from £160 GBPSave up to £641 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
1.05ct Marquise
£160 GBP