Princess|Lab Grown|IGI

1.51ct F SI2 Princess Lab Grown Diamond

ID • F/SI2 • IGI LG608367295

Shape and cutting style on the report: Princess cut

Certificate IGI LG608367295

Diamond specifications and retailer prices

From £218 GBP
As of November 4, 2026
Save £155 GBP (42%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £672 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG608367295 or 608367295. Listed at 11 retailers as of October 31, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608367295
Dimensions6.21 × 6.01 × 4.50 mm
L/W Ratio1.03
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
6.21 mm6.01 mm1.51 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608367295
Side View
Table 72.0%Crown 43.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 74.9%

Caratlytics Score

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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 4
Current: £672 GBP|Low: £100 GBP|High: £1,048 GBP|Avg: £398 GBP|-1.0%
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
November 3, 2026
Retailer 9£105 GBP
Retailer 8£122 GBP
Retailer 13£185 GBP
Retailer 2£218 GBP
Retailer 5£231 GBP
Retailer 12£242 GBP
Retailer 7£243 GBP
Retailer 14£327 GBP
Retailer 11£374 GBP
Retailer 10£461 GBP
Retailer 4£626 GBP
MOH London£672 GBP
Retailer 3£692 GBP
Retailer 6£1,048 GBP

19 data points across 14 retailers

11 retailers£218 GBP to £374 GBP

Retailer 1
-
£105 GBP
Price last confirmed 14 days ago
Retailer 2
-
£122 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£218 GBP
View
Retailer 4
-
£231 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£242 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£243 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£327 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£374 GBP
View
Retailer 9
-
£461 GBP
View
Price last confirmed 12 days ago
Retailer 10
-
£626 GBP
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG608367295 · Oct 25
£672 GBP
View
Price last confirmed 12 days ago
10 more retailers have this diamond
Prices start from £218 GBPSave up to £155 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
1.51ct Princess
£218 GBP