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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 $3,666 CAD
As of November 6, 2026
Save $3,831 CAD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,832 CAD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,666 CAD|Low: $3,666 CAD|High: $7,598 CAD|Avg: $4,944 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,666 CAD
Retailer 6$3,990 CAD
Retailer 2$4,241 CAD
Retailer 4$4,736 CAD
Retailer 3$5,233 CAD
Retailer 5$5,486 CAD
Retailer 7$7,497 CAD

27 data points across 7 retailers

17 retailers$3,666 CAD to $7,497 CAD

A
Cheapest Retailer
-
$3,666 CAD
A
Retailer 2
-
$3,990 CAD
View
A
Retailer 3
-
$4,148 CAD
View
Final sale: no returns
A
Retailer 4
-
$4,200 CAD
View
A
Retailer 5
-
$4,204 CAD
View
A
Retailer 6
-
$4,241 CAD
View
A
Retailer 7
-
$4,473 CAD
View
Retailer 8
-
$4,496 CAD
View
Price last confirmed 21 days ago
Retailer 9
-
$4,496 CAD
View
Price last confirmed 19 days ago
Retailer 10
-
$4,667 CAD
View
Price last confirmed 22 days ago
A
Retailer 11
-
$4,695 CAD
View
A
Retailer 12
-
$4,736 CAD
View
Retailer 13
-
$5,187 CAD
View
Price last confirmed 18 days ago
A
Retailer 14
-
$5,233 CAD
View
A
Retailer 15
-
$5,486 CAD
View
B+
Retailer 16
-
$7,497 CAD
View
Most Expensive
NZ Jewellers
307087c8-3e1b-425a-be93-5a519e2e8e44 · Oct 17
$7,832 CAD
$5,608 USD
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from $3,666 CADSave up to $3,831 CAD

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
$3,666 CAD