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Princess|Natural|IGI

1.50ct I SI2 Princess Natural Diamond

EX • I/SI2 • IGI 468105151

Shape and cutting style on the report: Princess cut

Certificate IGI 468105151

Diamond specifications and retailer prices

From £3,379 GBP
₹431,788 INR
As of October 31, 2026
Save £4,354 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,732 GBP at NZ Jewellers · As of November 2, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 468105151. Listed at 15 retailers as of October 31, 2026, with prices from £3,379 to £7,732, a £4,354 spread on the same certified stone. NZ Jewellers lists it at £7,732. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle48.3°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 468105151
Dimensions6.02 × 5.91 × 4.73 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.02 mm5.91 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 468105151
Side View
Table 72.0%Crown 48.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 80.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,509 GBP|Low: £3,370 GBP|High: £6,894 GBP|Avg: £4,657 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6£3,379 GBP
Retailer 7£3,957 GBP
Retailer 8£4,031 GBP
Retailer 9£4,032 GBP
Retailer 10£4,267 GBP
Retailer 1£4,509 GBP
Retailer 3£4,623 GBP
Retailer 11£4,623 GBP
Retailer 4£5,051 GBP
Retailer 2£5,334 GBP
Retailer 5£6,811 GBP

38 data points across 11 retailers

15 retailers£3,379 GBP to £7,732 GBP

B+
Cheapest Retailer
-
£3,379 GBP
₹431,788 INR
B+
Retailer 2
-
£3,957 GBP
$5,310 USD
View
Retailer 3
-
£4,031 GBP
$5,410 USD
View
Price last confirmed 12 days ago
B
Retailer 4
-
£4,032 GBP
$5,411 USD
View
B
Retailer 5
-
£4,208 GBP
A$8,688 AUD
View
B
Retailer 6
-
£4,267 GBP
$5,726 USD
View
Final sale: no returns
B
Retailer 7
-
£4,509 GBP
View
B
Retailer 8
-
£4,623 GBP
$6,204 USD
View
B
Retailer 9
-
£4,623 GBP
$6,204 USD
View
B
Retailer 10
-
£4,623 GBP
$6,204 USD
View
B
Retailer 11
-
£4,740 GBP
$6,361 USD
View
B
Retailer 12
-
£5,051 GBP
€6,455 EUR
View
B
Retailer 13
-
£5,334 GBP
$7,158 USD
View
B
Retailer 14
-
£6,811 GBP
View
Most Expensive
C
NZ Jewellers
646417b1-1f01-404e-8bd8-5a29a8e9ef7d · Nov 2
£7,732 GBP
$10,376 USD
View
14 more retailers have this diamond
Prices start from £3,379 GBPSave up to £4,354 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.

B+
1.50ct Princess
£3,379 GBP