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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 1563411555

Certificate GIA 1563411555

Diamond specifications and retailer prices

From $5,205 AUD
As of November 6, 2026
Save $6,858 AUD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,062 AUD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563411555. Listed at 22 retailers as of November 5, 2026, with prices from $5,205 to $12,062, a $6,858 spread on the same certified stone. NZ Jewellers lists it at $12,062. 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

1.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563411555
Dimensions6.50 × 6.37 × 4.34 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.50 mm6.37 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563411555
Side View
Table 71.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.2%

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 6
Current: $12,062 AUD|Low: $5,205 AUD|High: $12,062 AUD|Avg: $7,219 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 2$5,205 AUD
Retailer 8$5,509 AUD
Retailer 7$5,912 AUD
Retailer 9$6,037 AUD
Retailer 3$6,346 AUD
Retailer 13$6,533 AUD
Retailer 5$6,535 AUD
Retailer 16$6,817 AUD
Retailer 10$6,923 AUD
Retailer 20$6,923 AUD
Retailer 21$6,923 AUD
Retailer 19$7,142 AUD
Retailer 14$7,168 AUD
Retailer 12$7,198 AUD
Retailer 11$7,290 AUD
Retailer 15$7,351 AUD
Retailer 6$7,379 AUD
Retailer 4$7,989 AUD
Retailer 17$8,447 AUD
Retailer 18$10,997 AUD
NZ Jewellers$12,062 AUD

23 data points across 21 retailers

22 retailers$5,205 AUD to $12,062 AUD

A
Cheapest Retailer
-
$5,205 AUD
A
Retailer 2
-
$5,509 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,727 AUD
View
A
Retailer 4
-
$5,912 AUD
View
A
Retailer 5
-
$6,037 AUD
View
A
Retailer 6
-
$6,346 AUD
View
A
Retailer 7
-
$6,533 AUD
View
A
Retailer 8
-
$6,535 AUD
View
A
Retailer 9
-
$6,817 AUD
View
B+
Retailer 10
-
$6,923 AUD
View
B+
Retailer 11
-
$6,923 AUD
View
Retailer 12
-
$6,923 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$7,142 AUD
View
Retailer 14
-
$7,168 AUD
View
Price last confirmed 20 days ago
B+
Retailer 15
-
$7,198 AUD
View
B+
Retailer 16
-
$7,290 AUD
View
B+
Retailer 17
-
$7,351 AUD
View
B+
Retailer 18
-
$7,379 AUD
View
B+
Retailer 19
-
$7,989 AUD
View
B+
Retailer 20
-
$8,447 AUD
View
B
Retailer 21
-
$10,997 AUD
View
Most Expensive
B
NZ Jewellers
6445a2cf-8ed1-4806-a5b6-583c12065a14 · Nov 5
$12,062 AUD
$8,288 USD
View
21 more retailers have this diamond
Prices start from $5,205 AUDSave up to $6,858 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
$5,205 AUD