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Princess|Natural|IGI

1.51ct G I1 Princess Natural Diamond

EX • G/I1 • IGI 683502554

Shape and cutting style on the report: Princess cut

Certificate IGI 683502554

Diamond specifications and retailer prices

From $3,663 AUD
$2,567 USD
As of November 1, 2026
Save $4,887 AUD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,550 AUD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 683502554. Listed at 8 retailers as of October 30, 2026, with prices from $3,663 to $8,550, a $4,887 spread on the same certified stone. NZ Jewellers lists it at $8,550. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 683502554
Dimensions6.51 × 6.30 × 4.61 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
6.51 mm6.30 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 683502554
Side View
Table 72.0%Crown 41.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 73.2%

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: $8,550 AUD|Low: $2,840 AUD|High: $8,550 AUD|Avg: $4,553 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$2,840 AUD
Retailer 6$3,663 AUD
Retailer 4$3,908 AUD
Retailer 5$4,089 AUD
Retailer 8$4,089 AUD
Retailer 3$4,246 AUD
Retailer 7$4,719 AUD
Retailer 2$4,787 AUD
Retailer 9$4,866 AUD
NZ Jewellers$8,550 AUD

17 data points across 10 retailers

8 retailers$3,663 AUD to $8,550 AUD

A
Cheapest Retailer
-
$3,663 AUD
$2,567 USD
A
Retailer 2
-
$3,908 AUD
$2,739 USD
View
B+
Retailer 3
-
$4,089 AUD
$2,866 USD
View
B+
Retailer 4
-
$4,089 AUD
$2,866 USD
View
B+
Retailer 5
-
$4,246 AUD
$2,976 USD
View
B+
Retailer 6
-
$4,719 AUD
$3,307 USD
View
B+
Retailer 7
-
$4,787 AUD
€3,195 EUR
View
Most Expensive
B
NZ Jewellers
a89dc1e8-c472-4d42-a413-9d3a9154d884 · Oct 30
$8,550 AUD
$5,992 USD
View
7 more retailers have this diamond
Prices start from $3,663 AUDSave up to $4,887 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
1.51ct Princess
$3,663 AUD