Round|Natural|GIA

1.31ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5253343313

Certificate GIA 5253343313

Diamond specifications and retailer prices

From $4,448 NZD
$2,503 USD
As of October 31, 2026
Save $1,938 NZD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,386 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5253343313. Listed at 7 retailers as of October 31, 2026, with prices from $4,448 to $6,386, a $1,938 spread on the same certified stone. Yorxs lists it at $6,386. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5253343313
Dimensions7.02 × 7.05 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
7.02 mm7.05 mm1.31 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5253343313
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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: Oct 31
Current: $5,670 NZD|Low: $4,448 NZD|High: $6,386 NZD|Avg: $5,584 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 31, 2026
Retailer 6$4,448 NZD
Retailer 2$4,564 NZD
Retailer 1$5,670 NZD
Retailer 3$5,972 NZD
Retailer 4$5,972 NZD
Retailer 5$6,167 NZD
Yorxs$6,386 NZD

14 data points across 7 retailers

7 retailers$4,448 NZD to $6,386 NZD

A
Cheapest Retailer
-
$4,448 NZD
$2,503 USD
A
Retailer 2
-
$4,564 NZD
$2,568 USD
View
B+
Retailer 3
-
$5,670 NZD
$3,190 USD
View
B
Retailer 4
-
$5,972 NZD
$3,360 USD
View
B
Retailer 5
-
$5,972 NZD
$3,360 USD
View
B
Retailer 6
-
$6,167 NZD
$3,470 USD
View
Most Expensive
B
Yorxs
NM3373 · Oct 31
$6,386 NZD
€3,422 EUR
View
6 more retailers have this diamond
Prices start from $4,448 NZDSave up to $1,938 NZD

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 Round
$4,448 NZD