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Princess|Natural|GIA

1.51ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 2245074035

Certificate GIA 2245074035

Diamond specifications and retailer prices

From $5,565 NZD
As of November 4, 2026
Save $5,015 NZD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,580 NZD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245074035. Listed at 13 retailers as of November 4, 2026, with prices from $5,565 to $10,580, a $5,015 spread on the same certified stone. Helzberg Diamonds lists it at $10,580. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.77°
Pavilion angle40.87°
OriginNatural
Grading LabGIA
CertificateGIA 2245074035
Dimensions6.25 × 6.25 × 4.57 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.25 mm6.25 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245074035
Side View
Table 73.0%Crown 23.77°Girdle: MED-STKPavilion 40.87°Culet: NDepth 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 4
Current: $10,580 NZD|Low: $5,565 NZD|High: $10,930 NZD|Avg: $7,392 NZD|+0.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10$5,565 NZD
Retailer 4$5,742 NZD
Retailer 9$5,877 NZD
Retailer 2$6,002 NZD
Retailer 5$6,485 NZD
Retailer 8$6,492 NZD
Retailer 3$6,705 NZD
Retailer 12$7,115 NZD
Retailer 13$7,234 NZD
Retailer 7$7,403 NZD
Retailer 6$8,686 NZD
Retailer 11$10,230 NZD
Helzberg Diamonds$10,580 NZD

32 data points across 13 retailers

13 retailers$5,565 NZD to $10,580 NZD

A
Cheapest Retailer
-
$5,565 NZD
A
Retailer 2
-
$5,742 NZD
View
A
Retailer 3
-
$5,877 NZD
View
A
Retailer 4
-
$6,002 NZD
View
Retailer 5
-
$6,485 NZD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$6,492 NZD
View
A
Retailer 7
-
$6,705 NZD
View
A
Retailer 8
-
$7,115 NZD
View
A
Retailer 9
-
$7,234 NZD
View
A
Retailer 10
-
$7,403 NZD
View
B+
Retailer 11
-
$8,686 NZD
View
B+
Retailer 12
-
$10,230 NZD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGNKGJL · Nov 6
$10,580 NZD
$5,865 USD
View
12 more retailers have this diamond
Prices start from $5,565 NZDSave up to $5,015 NZD

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
$5,565 NZD