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Princess|Lab Grown|IGI

1.23ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG787609424

Shape and cutting style on the report: Princess cut

Certificate IGI LG787609424

Diamond specifications and retailer prices

From £132 GBP
As of November 4, 2026
Save £627 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £759 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown princess diamond

This 1.23ct lab-grown princess 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 LG787609424 or 787609424. Listed at 11 retailers as of November 4, 2026, with prices from £132 to £759, a £627 spread on the same certified stone. MOH London lists it at £759. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787609424
Dimensions5.77 × 5.67 × 4.20 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.77 mm5.67 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787609424
Side View
Table 70.0%Crown 45.3°Girdle: STK-THKPavilion 39°Culet: NoneDepth 74.1%

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: £759 GBP|Low: £132 GBP|High: £795 GBP|Avg: £447 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
November 5, 2026
Retailer 11£132 GBP
Retailer 9£152 GBP
Retailer 12£195 GBP
Retailer 8£279 GBP
Retailer 5£289 GBP
Retailer 2£397 GBP
Retailer 14£403 GBP
Retailer 6£432 GBP
Retailer 4£479 GBP
Retailer 15£523 GBP
Retailer 10£553 GBP
Retailer 7£557 GBP
Retailer 13£562 GBP
Retailer 3£674 GBP
MOH London£759 GBP

30 data points across 15 retailers

11 retailers£132 GBP to £759 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£152 GBP
View
Retailer 3
-
£279 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£397 GBP
View
B+
Retailer 5
-
£403 GBP
View
Retailer 6
-
£479 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
£523 GBP
View
B
Retailer 8
-
£553 GBP
View
B+
Retailer 9
-
£562 GBP
View
Retailer 10
-
£674 GBP
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG787609424 · Nov 5
£759 GBP
View
10 more retailers have this diamond
Prices start from £132 GBPSave up to £627 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 Princess
£132 GBP