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1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 623457656

Shape and cutting style on the report: Round brilliant

Certificate IGI 623457656

Diamond specifications and retailer prices

From $2,074 NZD
$1,169 USD
As of October 31, 2026
Save $3,410 NZD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,484 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623457656. Listed at 15 retailers as of October 30, 2026, with prices from $2,074 to $5,484, a $3,410 spread on the same certified stone. NZ Jewellers lists it at $5,484. 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

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 623457656
Dimensions6.40 × 6.36 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.36 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 623457656
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: $5,484 NZD|Low: $1,902 NZD|High: $5,484 NZD|Avg: $2,762 NZD
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 13$2,074 NZD
Retailer 11$2,138 NZD
Retailer 8$2,164 NZD
Retailer 3$2,248 NZD
Retailer 5$2,248 NZD
Retailer 14$2,335 NZD
Retailer 15$2,390 NZD
Retailer 12$2,409 NZD
Retailer 6$2,488 NZD
Retailer 4$2,594 NZD
Retailer 10$2,670 NZD
Retailer 7$2,676 NZD
Retailer 2$2,964 NZD
Retailer 9$4,119 NZD
NZ Jewellers$5,484 NZD

42 data points across 15 retailers

15 retailers$2,074 NZD to $5,484 NZD

A
Cheapest Retailer
-
$2,074 NZD
$1,169 USD
Final sale: no returns
A
Retailer 2
-
$2,138 NZD
$1,205 USD
View
A
Retailer 3
-
$2,154 NZD
$1,214 USD
View
A
Retailer 4
-
$2,164 NZD
£960 GBP
View
A
Retailer 5
-
$2,248 NZD
$1,267 USD
View
A
Retailer 6
-
$2,248 NZD
$1,267 USD
View
A
Retailer 7
-
$2,335 NZD
$1,316 USD
View
A
Retailer 8
-
$2,390 NZD
$1,347 USD
View
A
Retailer 9
-
$2,409 NZD
$1,358 USD
View
A
Retailer 10
-
$2,488 NZD
$1,402 USD
View
B+
Retailer 11
-
$2,594 NZD
$1,462 USD
View
B+
Retailer 12
-
$2,670 NZD
£1,185 GBP
View
B+
Retailer 13
-
$2,964 NZD
€1,591 EUR
View
B
Retailer 14
-
$4,119 NZD
£1,828 GBP
View
Most Expensive
B
NZ Jewellers
1f95bea9-c9c5-410d-9912-8116841d46d3 · Oct 30
$5,484 NZD
$3,091 USD
View
14 more retailers have this diamond
Prices start from $2,074 NZDSave up to $3,410 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
1.01ct Round
$2,074 NZD