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Princess|Lab Grown|IGI

1.23ct F VVS2 Princess Lab Grown Diamond

ID • F/VVS2 • IGI LG803686889

Shape and cutting style on the report: Princess cut

Certificate IGI LG803686889

Diamond specifications and retailer prices

From £278 GBP
As of November 3, 2026
Save £507 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £785 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803686889 or 803686889. Listed at 10 retailers as of November 3, 2026, with prices from £278 to £785, a £507 spread on the same certified stone. MOH London lists it at £785. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803686889
Dimensions6.02 × 6.01 × 3.99 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.02 mm6.01 mm1.23 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803686889
Side View
Table 69.0%Crown 39.2°Girdle: MediumPavilion 37.2°Culet: NoneDepth 66.4%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: £785 GBP|Low: £178 GBP|High: £970 GBP|Avg: £453 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5£178 GBP
Retailer 9£278 GBP
Retailer 3£310 GBP
Retailer 8£310 GBP
Retailer 4£339 GBP
Retailer 2£359 GBP
Retailer 6£360 GBP
Retailer 11£505 GBP
Retailer 7£711 GBP
Retailer 10£759 GBP
MOH London£785 GBP

35 data points across 11 retailers

10 retailers£278 GBP to £785 GBP

Retailer 1
-
£178 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
£278 GBP
View
A
Retailer 3
-
£310 GBP
View
A
Retailer 4
-
£339 GBP
View
A
Retailer 5
-
£359 GBP
View
A
Retailer 6
-
£360 GBP
View
Retailer 7
-
£505 GBP
View
Price last confirmed 46 days ago
B
Retailer 8
-
£711 GBP
View
B
Retailer 9
-
£759 GBP
View
Most Expensive
B
MOH London
LG803686889 · Nov 5
£785 GBP
View
9 more retailers have this diamond
Prices start from £278 GBPSave up to £507 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
£278 GBP