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Princess|Natural|IGI

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • IGI 683576294

Shape and cutting style on the report: Princess cut

Certificate IGI 683576294

Diamond specifications and retailer prices

From $4,735 NZD
As of November 6, 2026
Save $4,948 NZD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,116 NZD at NZ Jewellers · As of October 17, 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 and certified by IGI 683576294. Listed at 17 retailers as of November 4, 2026, with a 104% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 683576294
Dimensions6.47 × 6.42 × 4.35 mm
L/W Ratio1.01
Culet sizePointed
Top View
6.47 mm6.42 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 683576294
Side View
Table 71.0%Crown 39°Girdle: MediumPavilion 37.9°Culet: NoneDepth 67.8%

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: $4,735 NZD|Low: $4,735 NZD|High: $9,813 NZD|Avg: $6,386 NZD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$4,735 NZD
Retailer 6$5,154 NZD
Retailer 2$5,478 NZD
Retailer 4$6,117 NZD
Retailer 3$6,759 NZD
Retailer 5$7,086 NZD
Retailer 7$9,683 NZD

27 data points across 7 retailers

17 retailers$4,735 NZD to $9,683 NZD

A
Cheapest Retailer
-
$4,735 NZD
A
Retailer 2
-
$5,154 NZD
View
A
Retailer 3
-
$5,358 NZD
View
Final sale: no returns
A
Retailer 4
-
$5,424 NZD
View
A
Retailer 5
-
$5,430 NZD
View
A
Retailer 6
-
$5,478 NZD
View
A
Retailer 7
-
$5,778 NZD
View
Retailer 8
-
$5,807 NZD
View
Price last confirmed 22 days ago
Retailer 9
-
$5,807 NZD
View
Price last confirmed 20 days ago
Retailer 10
-
$6,029 NZD
View
Price last confirmed 23 days ago
A
Retailer 11
-
$6,065 NZD
View
A
Retailer 12
-
$6,117 NZD
View
Retailer 13
-
$6,700 NZD
View
Price last confirmed 19 days ago
A
Retailer 14
-
$6,759 NZD
View
A
Retailer 15
-
$7,086 NZD
View
B+
Retailer 16
-
$9,683 NZD
View
Most Expensive
NZ Jewellers
307087c8-3e1b-425a-be93-5a519e2e8e44 · Oct 17
$10,116 NZD
$5,608 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $4,735 NZDSave up to $4,948 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
$4,735 NZD