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Princess|Lab Grown|IGI

1.23ct F VS2 Princess Lab Grown Diamond

ID • F/VS2 • IGI LG791648322

Shape and cutting style on the report: Princess cut

Certificate IGI LG791648322

Diamond specifications and retailer prices

From £425 GBP
As of November 5, 2026
Save £144 GBP (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £569 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791648322 or 791648322. Listed at 3 retailers as of November 5, 2026, with prices from £425 to £569, a £144 spread on the same certified stone. Diamond Quarter lists it at £569. 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 angle41°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791648322
Dimensions5.82 × 5.77 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.82 mm5.77 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791648322
Side View
Table 68.0%Crown 41°Girdle: Slightly ThickPavilion 38°Culet: NoneDepth 71.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £569 GBP|Low: £234 GBP|High: £1,107 GBP|Avg: £484 GBP
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 3, 2026
Retailer 12£253 GBP
Retailer 11£330 GBP
Retailer 7£340 GBP
Retailer 6£371 GBP
Retailer 5£425 GBP
Retailer 4£504 GBP
Retailer 8£550 GBP
Retailer 2£563 GBP
Diamond Quarter£569 GBP
Retailer 3£624 GBP
Retailer 9£635 GBP
Retailer 10£1,107 GBP

24 data points across 12 retailers

3 retailers£425 GBP to £569 GBP

B+
Cheapest Retailer
-
£425 GBP
B
Retailer 2
-
£563 GBP
View
Most Expensive
B
Diamond Quarter
1.23VS2FLG2307AEN · Nov 5
£569 GBP
View
2 more retailers have this diamond
Prices start from £425 GBPSave up to £144 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.

B+
1.23ct Princess
£425 GBP