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Princess|Lab Grown|IGI

1.50ct H VS1 Princess Lab Grown Diamond

EX • H/VS1 • IGI LG546215459

Shape and cutting style on the report: Princess cut

Certificate IGI LG546215459

Diamond specifications and retailer prices

From £329 GBP
As of November 4, 2026
Save £430 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £759 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG546215459 or 546215459. Listed at 6 retailers as of November 4, 2026, with prices from £329 to £759, a £430 spread on the same certified stone. MOH London lists it at £759. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546215459
Dimensions6.19 × 6.17 × 4.56 mm
L/W Ratio1.00
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
6.19 mm6.17 mm1.50 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG546215459
Side View
Table 70.5%Crown 44.1°Girdle: MediumPavilion 39.7°Culet: NoneDepth 73.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £759 GBP|Low: £329 GBP|High: £897 GBP|Avg: £539 GBP|-14.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£329 GBP
Retailer 2£360 GBP
Retailer 7£381 GBP
Retailer 5£435 GBP
Retailer 3£637 GBP
Retailer 6£650 GBP
MOH London£759 GBP

12 data points across 7 retailers

6 retailers£329 GBP to £759 GBP

B+
Cheapest Retailer
-
£329 GBP
A
Retailer 2
-
£360 GBP
View
B+
Retailer 3
-
£435 GBP
View
B
Retailer 4
-
£637 GBP
View
B
Retailer 5
-
£650 GBP
View
Most Expensive
B
MOH London
LG546215459 · Nov 5
£759 GBP
View
5 more retailers have this diamond
Prices start from £329 GBPSave up to £430 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
£329 GBP