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Princess|Lab Grown|IGI

1.50ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG705535046

Shape and cutting style on the report: Princess cut

Certificate IGI LG705535046

Diamond specifications and retailer prices

From £155 GBP
As of November 6, 2026
Save £613 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £768 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown princess diamond

This 1.5ct 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 LG705535046 or 705535046. Listed at 13 retailers as of November 5, 2026, with prices from £155 to £768, a £613 spread on the same certified stone. MOH London lists it at £768. 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

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705535046
Dimensions6.27 × 6.21 × 4.37 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
6.27 mm6.21 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705535046
Side View
Table 66.0%Crown 44.5°Girdle: MediumPavilion 37.7°Culet: NoneDepth 70.4%

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 6
Current: £768 GBP|Low: £155 GBP|High: £1,113 GBP|Avg: £450 GBP|-0.9%
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£155 GBP
Retailer 5£180 GBP
Retailer 13£192 GBP
Retailer 16£220 GBP
Retailer 2£244 GBP
Retailer 6£298 GBP
Retailer 4£332 GBP
Retailer 15£344 GBP
Retailer 9£350 GBP
Retailer 14£383 GBP
Retailer 3£618 GBP
Retailer 11£619 GBP
Retailer 10£635 GBP
Retailer 7£691 GBP
MOH London£768 GBP
Retailer 8£1,113 GBP

11 data points across 16 retailers

13 retailers£155 GBP to £768 GBP

A
Cheapest Retailer
-
£155 GBP
A
Retailer 2
-
£180 GBP
View
A
Retailer 3
-
£192 GBP
View
A
Retailer 4
-
£220 GBP
View
A
Retailer 5
-
£244 GBP
View
B+
Retailer 6
-
£332 GBP
View
A
Retailer 7
-
£344 GBP
View
A
Retailer 8
-
£350 GBP
View
B+
Retailer 9
-
£383 GBP
View
B
Retailer 10
-
£618 GBP
View
B
Retailer 11
-
£619 GBP
View
B
Retailer 12
-
£635 GBP
View
Most Expensive
B
MOH London
LG705535046 · Nov 5
£768 GBP
View
12 more retailers have this diamond
Prices start from £155 GBPSave up to £613 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
1.50ct Princess
£155 GBP