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Princess|Lab Grown|IGI

1.50ct J VS1 Princess Lab Grown Diamond

ID • J/VS1 • IGI LG445036661

Shape and cutting style on the report: Princess cut

Certificate IGI LG445036661

Diamond specifications and retailer prices

From £646 GBP
As of November 4, 2026
Save £3,396 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,042 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445036661 or 445036661. Listed at 12 retailers as of November 4, 2026, with prices from £646 to £4,042, a £3,396 spread on the same certified stone. MOH London lists it at £4,042. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036661
Dimensions6.16 × 6.11 × 4.47 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.16 mm6.11 mm1.50 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036661
Side View
Table 73.5%Crown 46.3°Girdle: ThickPavilion 38.6°Culet: NoneDepth 73.2%

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 4
Current: £4,042 GBP|Low: £646 GBP|High: £4,102 GBP|Avg: £1,958 GBP|-0.3%
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
November 5, 2026
Retailer 7£646 GBP
Retailer 9£1,224 GBP
Retailer 3£1,331 GBP
Retailer 10£1,419 GBP
Retailer 13£1,419 GBP
Retailer 4£1,545 GBP
Retailer 2£1,762 GBP
Retailer 5£1,899 GBP
Retailer 11£2,230 GBP
Retailer 8£2,447 GBP
Retailer 6£2,611 GBP
Retailer 12£2,660 GBP
MOH London£4,042 GBP

40 data points across 13 retailers

12 retailers£646 GBP to £4,042 GBP

A
Cheapest Retailer
-
£646 GBP
A
Retailer 2
-
£1,224 GBP
View
B+
Retailer 3
-
£1,331 GBP
View
B+
Retailer 4
-
£1,419 GBP
View
Retailer 5
-
£1,419 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,545 GBP
View
B+
Retailer 7
-
£1,762 GBP
View
B
Retailer 8
-
£2,230 GBP
View
B
Retailer 9
-
£2,447 GBP
View
B
Retailer 10
-
£2,611 GBP
View
B
Retailer 11
-
£2,660 GBP
View
Most Expensive
B
MOH London
LG445036661 · Nov 5
£4,042 GBP
View
11 more retailers have this diamond
Prices start from £646 GBPSave up to £3,396 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
£646 GBP