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Round|Natural|IGI

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 843680328

Shape and cutting style on the report: Round brilliant

Certificate IGI 843680328

Diamond specifications and retailer prices

From $1,466 CAD
As of November 1, 2026
Save $2,459 CAD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,926 CAD at NZ Jewellers · As of November 2, 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 843680328. Listed at 15 retailers as of November 1, 2026, with prices from $1,466 to $3,926, a $2,459 spread on the same certified stone. NZ Jewellers lists it at $3,926. 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
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 843680328
Dimensions6.43 × 6.40 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.43 mm6.40 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843680328
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: Nov 1
Current: $1,888 CAD|Low: $1,543 CAD|High: $2,260 CAD|Avg: $1,764 CAD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 2$1,543 CAD
Retailer 6$1,543 CAD
Retailer 3$1,545 CAD
Retailer 9$1,610 CAD
Retailer 10$1,670 CAD
Retailer 8$1,796 CAD
Retailer 5$1,885 CAD
Retailer 1$1,888 CAD
Retailer 7$1,964 CAD
Retailer 4$2,246 CAD

16 data points across 10 retailers

15 retailers$1,466 CAD to $3,926 CAD

A
Cheapest Retailer
-
$1,466 CAD
A
Retailer 2
-
$1,543 CAD
View
A
Retailer 3
-
$1,543 CAD
View
A
Retailer 4
-
$1,545 CAD
View
A
Retailer 5
-
$1,578 CAD
View
Retailer 6
-
$1,610 CAD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,610 CAD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,670 CAD
View
Retailer 9
-
$1,672 CAD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,796 CAD
View
B+
Retailer 11
-
$1,885 CAD
View
A
Retailer 12
-
$1,888 CAD
View
B+
Retailer 13
-
$1,964 CAD
View
A
Retailer 14
-
$2,246 CAD
View
Most Expensive
B
NZ Jewellers
a99e7a8a-d8b4-41cd-a0ea-3dc776b9a62e · Nov 2
$3,926 CAD
$2,811 USD
View
14 more retailers have this diamond
Prices start from $1,466 CADSave up to $2,459 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
$1,466 CAD