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Princess|Lab Grown|IGI

1.54ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG623466479

Shape and cutting style on the report: Princess cut

Certificate IGI LG623466479

Diamond specifications and retailer prices

From £238 GBP
As of November 6, 2026
Save £941 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,179 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown princess diamond

This 1.54ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623466479 or 623466479. Listed at 18 retailers as of November 5, 2026, with prices from £238 to £1,179, a £941 spread on the same certified stone. MOH London lists it at £1,179. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623466479
Dimensions6.32 × 6.26 × 4.56 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.32 mm6.26 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623466479
Side View
Table 75.0%Crown 43.2°Girdle: MediumPavilion 39.7°Culet: NoneDepth 72.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,179 GBP|Low: £229 GBP|High: £1,285 GBP|Avg: £598 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
November 6, 2026
Retailer 12£238 GBP
Retailer 6£266 GBP
Retailer 4£276 GBP
Retailer 8£295 GBP
Retailer 14£295 GBP
Retailer 2£375 GBP
Retailer 15£388 GBP
Retailer 3£411 GBP
Retailer 5£480 GBP
Retailer 13£480 GBP
Retailer 9£521 GBP
Retailer 10£734 GBP
Retailer 11£822 GBP
Retailer 16£949 GBP
Retailer 7£1,174 GBP
MOH London£1,179 GBP

39 data points across 16 retailers

18 retailers£238 GBP to £1,179 GBP

A
Cheapest Retailer
-
£238 GBP
A
Retailer 2
-
£266 GBP
View
Final sale: no returns
A
Retailer 3
-
£276 GBP
View
Retailer 4
-
£295 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£295 GBP
View
A
Retailer 6
-
£375 GBP
View
B+
Retailer 7
-
£388 GBP
View
B+
Retailer 8
-
£411 GBP
View
B+
Retailer 9
-
£480 GBP
View
Retailer 10
-
£480 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£521 GBP
View
B+
Retailer 12
-
£545 GBP
View
B
Retailer 13
-
£734 GBP
View
B
Retailer 14
-
£822 GBP
View
B
Retailer 15
-
£949 GBP
View
B
Retailer 16
-
£982 GBP
View
B
Retailer 17
-
£1,174 GBP
View
Most Expensive
B
MOH London
LG623466479 · Nov 5
£1,179 GBP
View
17 more retailers have this diamond
Prices start from £238 GBPSave up to £941 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
1.54ct Princess
£238 GBP