Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 1535360542

Certificate GIA 1535360542

Diamond specifications and retailer prices

From $4,400 AUD
As of November 1, 2026
Save $4,078 AUD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,478 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1535360542. Listed at 10 retailers as of November 1, 2026, with prices from $4,400 to $8,478, a $4,078 spread on the same certified stone. NZ Jewellers lists it at $8,478. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.39°
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 1535360542
Dimensions6.13 × 6.08 × 4.41 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.13 mm6.08 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535360542
Side View
Table 72.0%Crown 31.39°Girdle: THK-VTKPavilion 37.54°Culet: NoneDepth 72.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,664 AUD|Low: $4,400 AUD|High: $8,038 AUD|Avg: $5,400 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$4,400 AUD
Retailer 9$4,477 AUD
Retailer 6$4,865 AUD
Retailer 8$4,865 AUD
Retailer 2$5,071 AUD
Retailer 3$5,080 AUD
Retailer 7$5,614 AUD
Retailer 1$5,664 AUD
Retailer 10$5,790 AUD
Retailer 4$7,920 AUD

42 data points across 10 retailers

10 retailers$4,400 AUD to $8,478 AUD

A
Cheapest Retailer
-
$4,400 AUD
Retailer 2
-
$4,865 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$4,865 AUD
View
B+
Retailer 4
-
$5,053 AUD
View
B+
Retailer 5
-
$5,071 AUD
View
B+
Retailer 6
-
$5,080 AUD
View
B
Retailer 7
-
$5,614 AUD
View
B+
Retailer 8
-
$5,664 AUD
View
B
Retailer 9
-
$7,920 AUD
View
Most Expensive
B
NZ Jewellers
d5736550-da22-4ae9-b3e2-0439f0861f95 · Nov 5
$8,478 AUD
$5,935 USD
View
9 more retailers have this diamond
Prices start from $4,400 AUDSave up to $4,078 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
$4,400 AUD