CaratHunter
Plans
Princess|Natural|IGI

1.51ct L SI1 Princess Natural Diamond

VG • L/SI1 • IGI 729536764

Shape and cutting style on the report: Princess cut

Certificate IGI 729536764

Diamond specifications and retailer prices

From $2,626 AUD
As of November 6, 2026
5 retailers carry this diamond
Most expensive: $6,373 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536764. Listed at 5 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

1.51
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.2°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 729536764
Dimensions6.34 × 6.24 × 4.59 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.34 mm6.24 mm1.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536764
Side View
Table 73.0%Crown 45.2°Girdle: MediumPavilion 39.8°Culet: NoneDepth 73.6%

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: Nov 6
Current: $6,373 AUD|Low: $1,836 AUD|High: $6,373 AUD|Avg: $3,057 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
September 28, 2026
Retailer 7$1,836 AUD
Retailer 5$2,380 AUD
Retailer 12$2,566 AUD
Retailer 8$2,613 AUD
Retailer 10$2,613 AUD
Retailer 13$2,613 AUD
Retailer 15$2,626 AUD
Retailer 6$2,693 AUD
Retailer 9$2,738 AUD
Retailer 3$2,808 AUD
Retailer 14$3,016 AUD
Retailer 11$3,106 AUD
Retailer 2$3,496 AUD
Retailer 4$4,221 AUD
NZ Jewellers$6,373 AUD

7 data points across 15 retailers

5 retailers

Retailer 1
-
$2,613 AUD
Price last confirmed 66 days ago
Retailer 2
-
$2,613 AUD
View
Price last confirmed 39 days ago
B+
Retailer 3
-
$2,626 AUD
View
Retailer 4
-
$3,016 AUD
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
00a518b3-c3b3-45d0-a2a0-e32edf9c4ec6 · Sep 28
$6,373 AUD
$4,461 USD
View
Price last confirmed 39 days ago
4 more retailers have this diamond
Prices start from $2,626 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+
1.51ct Princess
$2,626 AUD