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Round|Natural|IGI

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 826681826

Shape and cutting style on the report: Round brilliant

Certificate IGI 826681826

Diamond specifications and retailer prices

From $3,167 CAD
As of November 6, 2026
Save $4,163 CAD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,331 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826681826. Listed at 18 retailers as of November 5, 2026, with prices from $3,167 to $7,331, a $4,163 spread on the same certified stone. NZ Jewellers lists it at $7,331. 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

1.05
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 826681826
Dimensions6.42 × 6.46 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.42 mm6.46 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826681826
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41.5°CuletDepth 63.5%

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 6
Current: $7,331 CAD|Low: $3,167 CAD|High: $7,331 CAD|Avg: $4,248 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
November 6, 2026
Retailer 6$3,167 CAD
Retailer 4$3,170 CAD
Retailer 11$3,236 CAD
Retailer 5$3,501 CAD
Retailer 14$3,507 CAD
Retailer 12$3,669 CAD
Retailer 2$3,754 CAD
Retailer 3$4,046 CAD
Retailer 7$4,088 CAD
Retailer 8$4,149 CAD
Retailer 9$4,279 CAD
Retailer 13$4,941 CAD
Retailer 10$6,127 CAD
NZ Jewellers$7,331 CAD

41 data points across 14 retailers

18 retailers$3,167 CAD to $7,331 CAD

A
Cheapest Retailer
-
$3,167 CAD
A
Retailer 2
-
$3,170 CAD
View
A
Retailer 3
-
$3,236 CAD
View
Final sale: no returns
B+
Retailer 4
-
$3,501 CAD
View
B+
Retailer 5
-
$3,507 CAD
View
Retailer 6
-
$3,507 CAD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
$3,669 CAD
View
B+
Retailer 8
-
$3,702 CAD
View
B+
Retailer 9
-
$3,754 CAD
View
Retailer 10
-
$4,046 CAD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
$4,046 CAD
View
B+
Retailer 12
-
$4,088 CAD
View
B+
Retailer 13
-
$4,149 CAD
View
B+
Retailer 14
-
$4,279 CAD
View
B
Retailer 15
-
$4,941 CAD
View
B
Retailer 16
-
$6,127 CAD
View
Retailer 17
-
$7,331 CAD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
19af69cb-3516-48f6-ab75-96d7b98d24ed · Nov 5
$7,331 CAD
$5,249 USD
View
17 more retailers have this diamond
Prices start from $3,167 CADSave up to $4,163 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
1.05ct Round
$3,167 CAD