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 $3,232 USD
As of November 5, 2026
Save $3,110 USD (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,601 USD 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
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 5
Current: $6,342 USD|Low: $3,080 USD|High: $6,413 USD|Avg: $4,165 USD
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$3,232 USD
Retailer 9$3,280 USD
Retailer 13$3,360 USD
Retailer 12$3,495 USD
Retailer 3$3,640 USD
Retailer 4$3,640 USD
Retailer 10$3,780 USD
Retailer 6$3,836 USD
Retailer 5$4,200 USD
Retailer 2$4,236 USD
Retailer 7$4,443 USD
Retailer 8$6,070 USD
NZ Jewellers$6,342 USD

46 data points across 13 retailers

16 retailers$3,232 USD to $6,342 USD

B+
Cheapest Retailer
-
$3,232 USD
Retailer 2
-
$3,280 USD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
$3,360 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,495 USD
View
B+
Retailer 5
-
$3,640 USD
View
Retailer 6
-
$3,640 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,780 USD
View
Retailer 8
-
$3,789 USD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
$3,836 USD
View
B
Retailer 10
-
$4,200 USD
View
B
Retailer 11
-
$4,236 USD
View
Retailer 12
-
$4,372 USD
View
Price last confirmed 43 days ago
B
Retailer 13
-
$4,443 USD
View
B
Retailer 14
-
$6,070 USD
View
B
Retailer 15
-
$6,342 USD
View
Most Expensive
NZ Jewellers
797c3299-f78b-4ca2-b160-8557bc9b8faf · Sep 21
$6,601 USD
View
Price last confirmed 46 days ago
15 more retailers have this diamond
Prices start from $3,232 USDSave up to $3,110 USD

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
$3,232 USD