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Princess|Natural|IGI

1.50ct I SI1 Princess Natural Diamond

VG • I/SI1 • IGI 576355688

Shape and cutting style on the report: Princess cut

Certificate IGI 576355688

Diamond specifications and retailer prices

From $4,499 AUD
$3,153 USD
As of November 1, 2026
Save $4,331 AUD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,830 AUD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 576355688. Listed at 15 retailers as of October 30, 2026, with prices from $4,499 to $8,830, a $4,331 spread on the same certified stone. NZ Jewellers lists it at $8,830. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.6°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 576355688
Dimensions6.01 × 6.00 × 4.51 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.01 mm6.00 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 576355688
Side View
Table 72.0%Crown 51.6°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 75.2%

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: $8,830 AUD|Low: $4,499 AUD|High: $8,908 AUD|Avg: $5,684 AUD|-0.9%
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 4$4,499 AUD
Retailer 5$4,573 AUD
Retailer 7$4,613 AUD
Retailer 6$4,677 AUD
Retailer 9$4,809 AUD
Retailer 15$4,873 AUD
Retailer 3$5,068 AUD
Retailer 12$5,068 AUD
Retailer 8$5,262 AUD
Retailer 11$5,393 AUD
Retailer 14$5,847 AUD
Retailer 10$5,932 AUD
Retailer 13$6,229 AUD
Retailer 2$8,475 AUD
NZ Jewellers$8,830 AUD

27 data points across 15 retailers

15 retailers$4,499 AUD to $8,830 AUD

A
Cheapest Retailer
-
$4,499 AUD
$3,153 USD
Retailer 2
-
$4,573 AUD
$3,205 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$4,613 AUD
$3,233 USD
View
A
Retailer 4
-
$4,677 AUD
$3,278 USD
View
Final sale: no returns
A
Retailer 5
-
$4,809 AUD
£2,654 GBP
View
B+
Retailer 6
-
$4,873 AUD
$3,415 USD
View
A
Retailer 7
-
$5,068 AUD
$3,552 USD
View
A
Retailer 8
-
$5,068 AUD
$3,552 USD
View
A
Retailer 9
-
$5,262 AUD
$3,688 USD
View
A
Retailer 10
-
$5,393 AUD
£2,976 GBP
View
A
Retailer 11
-
$5,847 AUD
$4,098 USD
View
B+
Retailer 12
-
$5,932 AUD
€3,959 EUR
View
B+
Retailer 13
-
$6,229 AUD
ZAR 70,529 ZAR
View
B
Retailer 14
-
$8,475 AUD
£4,677 GBP
View
Most Expensive
B
NZ Jewellers
12226da1-5ba8-4dad-abd7-d82c3bd194d4 · Oct 30
$8,830 AUD
$6,188 USD
View
14 more retailers have this diamond
Prices start from $4,499 AUDSave up to $4,331 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
$4,499 AUD