CaratHunter
Plans
Marquise|Lab Grown|IGI

1.20ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG845698417

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845698417

Diamond specifications and retailer prices

From £143 GBP
As of November 4, 2026
Save £703 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £846 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845698417 or 845698417. Listed at 10 retailers as of November 2, 2026, with prices from £143 to £846, a £703 spread on the same certified stone. MOH London lists it at £846. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845698417
Dimensions11.13 × 5.78 × 3.39 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.13 mm5.78 mm1.20 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845698417
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.7%

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 4
Current: £846 GBP|Low: £143 GBP|High: £851 GBP|Avg: £449 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£143 GBP
Retailer 7£166 GBP
Retailer 3£196 GBP
Retailer 9£307 GBP
Retailer 10£418 GBP
Retailer 8£441 GBP
Retailer 6£571 GBP
Retailer 5£574 GBP
Retailer 2£623 GBP
MOH London£846 GBP

14 data points across 10 retailers

10 retailers£143 GBP to £846 GBP

A
Cheapest Retailer
-
£143 GBP
A
Retailer 2
-
£166 GBP
View
A
Retailer 3
-
£196 GBP
View
Retailer 4
-
£307 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£418 GBP
View
B+
Retailer 6
-
£441 GBP
View
B+
Retailer 7
-
£571 GBP
View
B+
Retailer 8
-
£574 GBP
View
B+
Retailer 9
-
£623 GBP
View
Most Expensive
B
MOH London
LG845698417 · Nov 2
£846 GBP
View
9 more retailers have this diamond
Prices start from £143 GBPSave up to £703 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
1.20ct Marquise
£143 GBP