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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 $1,636 CAD
$1,169 USD
As of October 28, 2026
Save $2,690 CAD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,326 CAD 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 28, 2026, with prices from $1,636 to $4,326, a $2,690 spread on the same certified stone. NZ Jewellers lists it at $4,326. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,326 CAD|Low: $1,500 CAD|High: $4,326 CAD|Avg: $2,179 CAD
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
October 30, 2026
Retailer 12$1,636 CAD
Retailer 10$1,687 CAD
Retailer 2$1,712 CAD
Retailer 3$1,773 CAD
Retailer 13$1,842 CAD
Retailer 14$1,885 CAD
Retailer 11$1,901 CAD
Retailer 5$1,962 CAD
Retailer 4$2,046 CAD
Retailer 9$2,106 CAD
Retailer 6$2,111 CAD
Retailer 8$2,345 CAD
Retailer 7$3,267 CAD
NZ Jewellers$4,326 CAD

44 data points across 14 retailers

15 retailers$1,636 CAD to $4,326 CAD

A
Cheapest Retailer
-
$1,636 CAD
$1,169 USD
Final sale: no returns
Retailer 2
-
$1,687 CAD
$1,205 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,699 CAD
$1,214 USD
View
A
Retailer 4
-
$1,712 CAD
£963 GBP
View
A
Retailer 5
-
$1,773 CAD
$1,267 USD
View
A
Retailer 6
-
$1,773 CAD
$1,267 USD
View
A
Retailer 7
-
$1,842 CAD
$1,316 USD
View
A
Retailer 8
-
$1,885 CAD
$1,347 USD
View
A
Retailer 9
-
$1,901 CAD
$1,358 USD
View
A
Retailer 10
-
$1,962 CAD
$1,402 USD
View
B+
Retailer 11
-
$2,046 CAD
$1,462 USD
View
B+
Retailer 12
-
$2,106 CAD
£1,185 GBP
View
B+
Retailer 13
-
$2,345 CAD
€1,596 EUR
View
B
Retailer 14
-
$3,267 CAD
£1,838 GBP
View
Most Expensive
B
NZ Jewellers
1f95bea9-c9c5-410d-9912-8116841d46d3 · Oct 30
$4,326 CAD
$3,091 USD
View
14 more retailers have this diamond
Prices start from $1,636 CADSave up to $2,690 CAD

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
$1,636 CAD