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Princess|Natural|IGI

1.50ct K SI1 Princess Natural Diamond

VG • K/SI1 • IGI 729536778

Shape and cutting style on the report: Princess cut

Certificate IGI 729536778

Diamond specifications and retailer prices

From $3,016 AUD
As of November 6, 2026
10 retailers carry this diamond
Most expensive: $6,371 AUD at NZ Jewellers · As of September 29, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536778. Listed at 10 retailers as of November 6, 2026. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 729536778
Dimensions6.38 × 6.08 × 4.51 mm
L/W Ratio1.05
Culet sizePointed
Top View
6.38 mm6.08 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 729536778
Side View
Table 72.0%Crown 41.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 74.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $6,371 AUD|Low: $2,814 AUD|High: $6,371 AUD|Avg: $3,733 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
October 6, 2026
Retailer 9$2,814 AUD
Retailer 14$2,930 AUD
Retailer 2$3,010 AUD
Retailer 4$3,016 AUD
Retailer 12$3,047 AUD
Retailer 3$3,078 AUD
Retailer 13$3,203 AUD
Retailer 5$3,244 AUD
Retailer 7$3,333 AUD
Retailer 8$3,726 AUD
Retailer 10$4,124 AUD
Retailer 6$4,923 AUD
Retailer 11$5,403 AUD
NZ Jewellers$6,371 AUD

15 data points across 14 retailers

10 retailers

Retailer 1
-
$2,814 AUD
Price last confirmed 33 days ago
B+
Retailer 2
-
$3,016 AUD
View
Retailer 3
-
$3,047 AUD
View
Price last confirmed 53 days ago
Retailer 4
-
$3,047 AUD
View
Price last confirmed 36 days ago
Retailer 5
-
$3,188 AUD
View
Price last confirmed 38 days ago
Retailer 6
-
$3,516 AUD
View
Price last confirmed 61 days ago
Retailer 7
-
$3,516 AUD
View
Price last confirmed 38 days ago
Retailer 8
-
$3,726 AUD
View
Price last confirmed 33 days ago
Retailer 9
-
$5,403 AUD
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
bb5f563a-cc47-4b6a-9dbe-cf1a96c482a1 · Sep 29
$6,371 AUD
$4,460 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from $3,016 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.

B+
1.50ct Princess
$3,016 AUD