CaratHunter
Plans
Marquise|Lab Grown|IGI

1.23ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG835662811

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835662811

Diamond specifications and retailer prices

From £160 GBP
As of November 6, 2026
Save £543 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £881 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835662811 or 835662811. Listed at 9 retailers as of November 6, 2026, with a 340% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835662811
Dimensions10.53 × 5.58 × 3.64 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm5.58 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835662811
Side View
Table 58.0%Crown 37.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 65.2%

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 6
Current: £881 GBP|Low: £153 GBP|High: £1,360 GBP|Avg: £561 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 23, 2026
Retailer 5£160 GBP
Retailer 6£288 GBP
Retailer 8£315 GBP
Retailer 7£340 GBP
Retailer 3£471 GBP
Retailer 9£583 GBP
Retailer 4£639 GBP
Retailer 10£770 GBP
MOH London£881 GBP
Retailer 2£1,360 GBP

11 data points across 10 retailers

9 retailers£160 GBP to £703 GBP

Retailer 1
-
£160 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
£160 GBP
View
A
Retailer 3
-
£185 GBP
View
A
Retailer 4
-
£288 GBP
View
A
Retailer 5
-
£340 GBP
View
Retailer 6
-
£471 GBP
View
Price last confirmed 17 days ago
Retailer 7
-
£703 GBP
View
Price last confirmed 16 days ago
B
Retailer 8
-
£703 GBP
View
Most Expensive
MOH London
LG835662811 · Oct 21
£881 GBP
View
Price last confirmed 16 days ago
8 more retailers have this diamond
Prices start from £160 GBPSave up to £543 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
1.23ct Marquise
£160 GBP