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1.31ct J SI2 Round Natural Diamond

EX • J/SI2 • HRD 220000110930

Shape and cutting style on the report: Brilliant

Certificate HRD 220000110930

Diamond specifications and retailer prices

From $2,722 NZD
$1,534 USD
As of October 30, 2026
Save $2,474 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,195 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 HRD 220000110930. Listed at 10 retailers as of October 29, 2026, with a 91% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.7°
OriginNatural
Grading LabHRD
CertificateHRD 220000110930
Dimensions6.90 × 6.94 × 4.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.94 mm1.31 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateHRD 220000110930
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

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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 30
Current: $4,028 NZD|Low: $2,051 NZD|High: $5,230 NZD|Avg: $3,403 NZD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$2,051 NZD
Retailer 3$2,722 NZD
Retailer 8$2,734 NZD
Retailer 5$2,924 NZD
Retailer 4$2,949 NZD
Retailer 6$3,403 NZD
Retailer 1$4,028 NZD
Retailer 7$4,764 NZD
Retailer 2$5,196 NZD

24 data points across 9 retailers

10 retailers$2,722 NZD to $5,196 NZD

A
Cheapest Retailer
-
$2,722 NZD
$1,534 USD
Final sale: no returns
A
Retailer 2
-
$2,734 NZD
$1,541 USD
View
A
Retailer 3
-
$2,924 NZD
$1,648 USD
View
Retailer 4
-
$2,949 NZD
$1,662 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$2,949 NZD
$1,662 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$3,086 NZD
$1,739 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$3,403 NZD
$1,918 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$4,028 NZD
€2,162 EUR
View
B+
Retailer 9
-
$5,196 NZD
£2,306 GBP
View
Most Expensive
NZ Jewellers
ce914fb8-f98a-4b71-90f7-9c9c4e09610c · Sep 28
$7,195 NZD
$4,055 USD
View
Price last confirmed 35 days ago
9 more retailers have this diamond
Prices start from $2,722 NZDSave up to $2,474 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
$2,722 NZD