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1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 648418582

Shape and cutting style on the report: Round brilliant

Certificate IGI 648418582

Diamond specifications and retailer prices

From $1,704 CAD
As of November 4, 2026
Save $2,781 CAD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,484 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 648418582. Listed at 15 retailers as of November 4, 2026, with prices from $1,704 to $4,484, a $2,781 spread on the same certified stone. NZ Jewellers lists it at $4,484. 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

1.03
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.7°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 648418582
Dimensions6.49 × 6.44 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.49 mm6.44 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 648418582
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.3%

Caratlytics Score

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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: Nov 4
Current: $1,758 CAD|Low: $1,704 CAD|High: $3,408 CAD|Avg: $2,137 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,704 CAD
Retailer 6$1,739 CAD
Retailer 1$1,758 CAD
Retailer 9$1,923 CAD
Retailer 7$1,997 CAD
Retailer 2$2,102 CAD
Retailer 4$2,243 CAD
Retailer 3$2,246 CAD
Retailer 5$3,359 CAD

41 data points across 9 retailers

15 retailers$1,704 CAD to $4,484 CAD

A
Cheapest Retailer
-
$1,704 CAD
A
Retailer 2
-
$1,739 CAD
View
A
Retailer 3
-
$1,758 CAD
View
A
Retailer 4
-
$1,813 CAD
View
Retailer 5
-
$1,839 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,839 CAD
View
A
Retailer 7
-
$1,923 CAD
View
A
Retailer 8
-
$1,997 CAD
View
A
Retailer 9
-
$2,026 CAD
View
A
Retailer 10
-
$2,102 CAD
View
B+
Retailer 11
-
$2,121 CAD
View
A
Retailer 12
-
$2,243 CAD
View
A
Retailer 13
-
$2,246 CAD
View
B
Retailer 14
-
$3,359 CAD
View
Most Expensive
B
NZ Jewellers
f45d1d6c-b963-4e77-8cbb-49c732f40dcc · Nov 5
$4,484 CAD
$3,211 USD
View
14 more retailers have this diamond
Prices start from $1,704 CADSave up to $2,781 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
$1,704 CAD