Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 5533515047

Certificate GIA 5533515047

Diamond specifications and retailer prices

From $4,279 USD
As of November 4, 2026
Save $4,236 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,515 USD at NZ Jewellers · As of November 2, 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 5533515047. Listed at 15 retailers as of November 2, 2026, with prices from $4,279 to $8,515, a $4,236 spread on the same certified stone. NZ Jewellers lists it at $8,515. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.08°
Pavilion angle38.98°
OriginNatural
Grading LabGIA
CertificateGIA 5533515047
Dimensions6.59 × 6.42 × 4.40 mm
L/W Ratio1.03
Top View
6.59 mm6.42 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5533515047
Side View
Table 74.0%Crown 40.08°Girdle: MED-STKPavilion 38.98°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,515 USD|Low: $4,279 USD|High: $8,515 USD|Avg: $6,145 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6$4,279 USD
Retailer 8$4,916 USD
Retailer 2$5,081 USD
Retailer 5$5,131 USD
Retailer 4$5,475 USD
Retailer 7$7,441 USD
Retailer 3$8,087 USD
NZ Jewellers$8,515 USD

42 data points across 8 retailers

15 retailers$4,279 USD to $8,515 USD

A
Cheapest Retailer
-
$4,279 USD
A
Retailer 2
-
$4,397 USD
View
A
Retailer 3
-
$4,397 USD
View
B+
Retailer 4
-
$4,735 USD
View
B+
Retailer 5
-
$4,904 USD
View
Retailer 6
-
$4,916 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,081 USD
View
B+
Retailer 8
-
$5,131 USD
View
B+
Retailer 9
-
$5,230 USD
View
B+
Retailer 10
-
$5,230 USD
View
B+
Retailer 11
-
$5,400 USD
View
B+
Retailer 12
-
$5,475 USD
View
B
Retailer 13
-
$7,441 USD
View
B
Retailer 14
-
$8,087 USD
View
Most Expensive
B
NZ Jewellers
723ea92a-c27c-4109-a731-a4a2f4267a39 · Nov 2
$8,515 USD
View
14 more retailers have this diamond
Prices start from $4,279 USDSave up to $4,236 USD

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
$4,279 USD