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Princess|Natural|IGI

1.50ct H SI2 Princess Natural Diamond

EX • H/SI2 • IGI 794652825

Shape and cutting style on the report: Princess cut

Certificate IGI 794652825

Diamond specifications and retailer prices

From £1,604 GBP
As of November 6, 2026
Save £2,835 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,439 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 794652825. Listed at 14 retailers as of November 5, 2026, with prices from £1,604 to £4,439, a £2,835 spread on the same certified stone. NZ Jewellers lists it at £4,439. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 794652825
Dimensions6.50 × 6.34 × 4.54 mm
L/W Ratio1.03
Culet sizePointed
Top View
6.50 mm6.34 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 794652825
Side View
Table 71.0%Crown 39.3°Girdle: MediumPavilion 40°Culet: NoneDepth 71.6%

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 6
Current: £4,439 GBP|Low: £1,604 GBP|High: £4,439 GBP|Avg: £2,461 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£1,604 GBP
Retailer 4£1,902 GBP
Retailer 10£2,028 GBP
Retailer 9£2,047 GBP
Retailer 11£2,123 GBP
Retailer 12£2,123 GBP
Retailer 8£2,205 GBP
Retailer 6£2,259 GBP
Retailer 3£2,450 GBP
Retailer 5£2,472 GBP
Retailer 7£3,720 GBP
NZ Jewellers£4,439 GBP

45 data points across 12 retailers

14 retailers£1,604 GBP to £4,439 GBP

A
Cheapest Retailer
-
£1,604 GBP
A
Retailer 2
-
£1,902 GBP
View
A
Retailer 3
-
£2,028 GBP
View
A
Retailer 4
-
£2,047 GBP
View
Retailer 5
-
£2,123 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£2,123 GBP
View
A
Retailer 7
-
£2,205 GBP
View
A
Retailer 8
-
£2,229 GBP
View
A
Retailer 9
-
£2,259 GBP
View
Retailer 10
-
£2,450 GBP
View
Price last confirmed 61 days ago
A
Retailer 11
-
£2,450 GBP
View
A
Retailer 12
-
£2,472 GBP
View
B+
Retailer 13
-
£3,720 GBP
View
Most Expensive
B
NZ Jewellers
dfad2cbf-a9af-40b1-afce-c568dc536a36 · Nov 5
£4,439 GBP
$5,975 USD
View
13 more retailers have this diamond
Prices start from £1,604 GBPSave up to £2,835 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
£1,604 GBP