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Princess|Natural|IGI

1.50ct H SI1 Princess Natural Diamond

EX • H/SI1 • IGI 737543833

Shape and cutting style on the report: Princess cut

Certificate IGI 737543833

Diamond specifications and retailer prices

From $5,966 AUD
$4,181 USD
As of November 1, 2026
Save $5,950 AUD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,916 AUD at NZ Jewellers · As of October 24, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 737543833. Listed at 17 retailers as of November 1, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 737543833
Dimensions6.22 × 6.06 × 4.33 mm
L/W Ratio1.03
Culet sizePointed
Top View
6.22 mm6.06 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737543833
Side View
Table 68.0%Crown 46.1°Girdle: Slightly ThickPavilion 37.3°Culet: NoneDepth 71.5%

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 1
Current: $11,916 AUD|Low: $5,788 AUD|High: $11,916 AUD|Avg: $7,441 AUD
NZ Jewellers
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
Retailer 15
November 2, 2026
Retailer 13$5,966 AUD
Retailer 6$6,188 AUD
Retailer 5$6,313 AUD
Retailer 2$6,445 AUD
Retailer 4$6,450 AUD
Retailer 3$6,839 AUD
Retailer 14$6,839 AUD
Retailer 15$6,839 AUD
Retailer 9$6,932 AUD
Retailer 7$7,055 AUD
Retailer 8$7,740 AUD
Retailer 12$7,892 AUD
Retailer 11$8,407 AUD
Retailer 10$10,895 AUD
NZ Jewellers$11,916 AUD

32 data points across 15 retailers

17 retailers$5,966 AUD to $11,916 AUD

A
Cheapest Retailer
-
$5,966 AUD
$4,181 USD
Retailer 2
-
$5,970 AUD
$4,184 USD
View
Price last confirmed 99 days ago
A
Retailer 3
-
$6,188 AUD
$4,337 USD
View
B+
Retailer 4
-
$6,313 AUD
$4,424 USD
View
Final sale: no returns
A
Retailer 5
-
$6,445 AUD
£3,556 GBP
View
B+
Retailer 6
-
$6,450 AUD
$4,520 USD
View
B+
Retailer 7
-
$6,839 AUD
$4,793 USD
View
B+
Retailer 8
-
$6,839 AUD
$4,793 USD
View
B+
Retailer 9
-
$6,839 AUD
$4,793 USD
View
B+
Retailer 10
-
$6,932 AUD
£3,826 GBP
View
B+
Retailer 11
-
$7,055 AUD
$4,944 USD
View
B+
Retailer 12
-
$7,740 AUD
€5,166 EUR
View
B+
Retailer 13
-
$7,892 AUD
$5,531 USD
View
B+
Retailer 14
-
$8,407 AUD
ZAR 95,188 ZAR
View
B
Retailer 15
-
$10,895 AUD
£6,012 GBP
View
B
Retailer 16
-
$11,916 AUD
$8,351 USD
View
Most Expensive
NZ Jewellers
eee175fb-b85e-413e-b9d9-8e4706cc66b2 · Oct 24
$11,916 AUD
$8,351 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $5,966 AUDSave up to $5,950 AUD

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
$5,966 AUD