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Princess|Natural|IGI

1.31ct I SI1 Princess Natural Diamond

EX • I/SI1 • IGI 523287337

Shape and cutting style on the report: Princess cut

Certificate IGI 523287337

Diamond specifications and retailer prices

From €2,895 EUR
As of November 5, 2026
Save €2,786 EUR (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €5,912 EUR at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 523287337. Listed at 16 retailers as of November 5, 2026, with a 96% 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

1.31
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle60.1°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 523287337
Dimensions5.86 × 5.84 × 4.25 mm
L/W Ratio1.00
Culet sizePointed
Top View
5.86 mm5.84 mm1.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 523287337
Side View
Table 72.5%Crown 60.1°Girdle: MediumPavilion 38°Culet: NoneDepth 72.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €5,680 EUR|Low: €2,759 EUR|High: €5,744 EUR|Avg: €3,728 EUR
NZ Jewellers
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 11€2,895 EUR
Retailer 9€2,938 EUR
Retailer 13€3,009 EUR
Retailer 12€3,130 EUR
Retailer 3€3,260 EUR
Retailer 4€3,260 EUR
Retailer 10€3,386 EUR
Retailer 6€3,436 EUR
Retailer 5€3,762 EUR
Retailer 2€3,794 EUR
Retailer 7€3,979 EUR
Retailer 8€5,437 EUR
NZ Jewellers€5,680 EUR

45 data points across 13 retailers

16 retailers€2,895 EUR to €5,680 EUR

B+
Cheapest Retailer
-
€2,895 EUR
Retailer 2
-
€2,938 EUR
View
Price last confirmed 20 days ago
B+
Retailer 3
-
€3,009 EUR
View
Final sale: no returns
B+
Retailer 4
-
€3,130 EUR
View
B+
Retailer 5
-
€3,260 EUR
View
Retailer 6
-
€3,260 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€3,386 EUR
View
Retailer 8
-
€3,394 EUR
View
Price last confirmed 46 days ago
B+
Retailer 9
-
€3,436 EUR
View
B
Retailer 10
-
€3,762 EUR
View
B
Retailer 11
-
€3,794 EUR
View
Retailer 12
-
€3,916 EUR
View
Price last confirmed 44 days ago
B
Retailer 13
-
€3,979 EUR
View
B
Retailer 14
-
€5,437 EUR
View
B
Retailer 15
-
€5,680 EUR
View
Most Expensive
NZ Jewellers
797c3299-f78b-4ca2-b160-8557bc9b8faf · Sep 21
€5,912 EUR
$6,601 USD
View
Price last confirmed 46 days ago
15 more retailers have this diamond
Prices start from €2,895 EURSave up to €2,786 EUR

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.

B+
1.31ct Princess
€2,895 EUR