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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 €2,882 EUR
$3,232 USD
As of November 1, 2026
Save €2,773 EUR (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €5,885 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 1, 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
Color
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 1
Current: €5,654 EUR|Low: €2,746 EUR|High: €5,718 EUR|Avg: €3,694 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 2, 2026
Retailer 11€2,882 EUR
Retailer 9€2,924 EUR
Retailer 13€2,996 EUR
Retailer 12€3,116 EUR
Retailer 3€3,245 EUR
Retailer 4€3,245 EUR
Retailer 10€3,370 EUR
Retailer 7€3,454 EUR
Retailer 5€3,745 EUR
Retailer 6€3,799 EUR
Retailer 8€3,989 EUR
Retailer 2€5,427 EUR
NZ Jewellers€5,654 EUR

44 data points across 13 retailers

16 retailers€2,882 EUR to €5,654 EUR

B+
Cheapest Retailer
-
€2,882 EUR
$3,232 USD
Retailer 2
-
€2,924 EUR
$3,280 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
€2,996 EUR
$3,360 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,116 EUR
$3,495 USD
View
B+
Retailer 5
-
€3,245 EUR
$3,640 USD
View
B+
Retailer 6
-
€3,245 EUR
$3,640 USD
View
B+
Retailer 7
-
€3,370 EUR
$3,780 USD
View
Retailer 8
-
€3,378 EUR
$3,789 USD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
€3,454 EUR
£3,050 GBP
View
B
Retailer 10
-
€3,745 EUR
$4,200 USD
View
B+
Retailer 11
-
€3,799 EUR
View
Retailer 12
-
€3,898 EUR
$4,372 USD
View
Price last confirmed 39 days ago
B
Retailer 13
-
€3,989 EUR
ZAR 72,283 ZAR
View
B
Retailer 14
-
€5,427 EUR
£4,793 GBP
View
B
Retailer 15
-
€5,654 EUR
$6,342 USD
View
Most Expensive
NZ Jewellers
797c3299-f78b-4ca2-b160-8557bc9b8faf · Sep 21
€5,885 EUR
$6,601 USD
View
Price last confirmed 42 days ago
15 more retailers have this diamond
Prices start from €2,882 EURSave up to €2,773 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
€2,882 EUR