CaratHunter
Plans
Princess|Natural|GIA

1.31ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 5513423943

Certificate GIA 5513423943

Diamond specifications and retailer prices

From $1,878 USD
As of November 2, 2026
Save $2,756 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,634 USD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5513423943. Listed at 6 retailers as of November 2, 2026, with prices from $1,878 to $4,634, a $2,756 spread on the same certified stone. NZ Jewellers lists it at $4,634. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.91°
Pavilion angle39.7°
OriginNatural
Grading LabGIA
CertificateGIA 5513423943
Dimensions5.91 × 5.90 × 4.33 mm
L/W Ratio1.00
Top View
5.91 mm5.90 mm1.31 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5513423943
Side View
Table 73.0%Crown 43.91°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 73.3%

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 2
Current: $4,634 USD|Low: $1,877 USD|High: $4,634 USD|Avg: $2,534 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$1,878 USD
Retailer 5$1,900 USD
Retailer 4$1,987 USD
Retailer 6$2,032 USD
Retailer 7$2,175 USD
Retailer 9$2,182 USD
Retailer 8$2,423 USD
Retailer 3$3,328 USD
NZ Jewellers$4,634 USD

28 data points across 9 retailers

6 retailers$1,878 USD to $4,634 USD

A
Cheapest Retailer
-
$1,878 USD
A
Retailer 2
-
$1,900 USD
View
A
Retailer 3
-
$1,987 USD
View
A
Retailer 4
-
$2,032 USD
View
B+
Retailer 5
-
$3,328 USD
View
Most Expensive
B
NZ Jewellers
76fa4d29-d926-466f-9e16-570a448cd710 · Nov 2
$4,634 USD
View
5 more retailers have this diamond
Prices start from $1,878 USDSave up to $2,756 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.

A
1.31ct Princess
$1,878 USD