CaratHunter
Plans
Round|Natural|IGI

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 320829434

Shape and cutting style on the report: Round brilliant

Certificate IGI 320829434

Diamond specifications and retailer prices

From $1,844 CAD
As of November 5, 2026
Save $3,007 CAD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,850 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 320829434. Listed at 16 retailers as of November 5, 2026, with prices from $1,844 to $4,850, a $3,007 spread on the same certified stone. NZ Jewellers lists it at $4,850. 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

1.03
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.3°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 320829434
Dimensions6.49 × 6.51 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.49 mm6.51 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 320829434
Side View
Table 58.5%Crown 34.3°Girdle: Med.Pavilion 40.8°Culet: NoneDepth 61.1%

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 5
Current: $1,876 CAD|Low: $1,874 CAD|High: $3,686 CAD|Avg: $2,694 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,876 CAD
Retailer 2$2,219 CAD
Retailer 4$2,426 CAD
Retailer 7$2,721 CAD
Retailer 3$2,753 CAD
Retailer 6$2,758 CAD
Retailer 8$3,239 CAD
Retailer 5$3,631 CAD

34 data points across 8 retailers

16 retailers$1,844 CAD to $4,850 CAD

A
Cheapest Retailer
-
$1,844 CAD
A
Retailer 2
-
$1,876 CAD
View
A
Retailer 3
-
$1,989 CAD
View
A
Retailer 4
-
$2,080 CAD
View
A
Retailer 5
-
$2,130 CAD
View
A
Retailer 6
-
$2,177 CAD
View
A
Retailer 7
-
$2,219 CAD
View
B+
Retailer 8
-
$2,295 CAD
View
B+
Retailer 9
-
$2,426 CAD
View
B+
Retailer 10
-
$2,721 CAD
View
B+
Retailer 11
-
$2,753 CAD
View
B+
Retailer 12
-
$2,758 CAD
View
B+
Retailer 13
-
$3,239 CAD
View
B
Retailer 14
-
$3,328 CAD
View
B
Retailer 15
-
$3,631 CAD
View
Most Expensive
B
NZ Jewellers
d73b867d-c73d-4f10-9083-f3f8b6bc4ade · Nov 5
$4,850 CAD
$3,473 USD
View
15 more retailers have this diamond
Prices start from $1,844 CADSave up to $3,007 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
1.03ct Round
$1,844 CAD