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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3455453944

Certificate GIA 3455453944

Diamond specifications and retailer prices

From $3,155 CAD
As of November 6, 2026
Save $5,331 CAD (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,486 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3455453944. Listed at 22 retailers as of November 5, 2026, with prices from $3,155 to $8,486, a $5,331 spread on the same certified stone. NZ Jewellers lists it at $8,486. 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

1.00
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3455453944
Dimensions6.38 × 6.32 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.38 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3455453944
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

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 6
Current: $3,776 CAD|Low: $2,926 CAD|High: $6,868 CAD|Avg: $4,176 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$3,155 CAD
Retailer 4$3,177 CAD
Retailer 6$3,394 CAD
Retailer 1$3,776 CAD
Retailer 7$3,818 CAD
Retailer 2$4,271 CAD
Retailer 3$4,429 CAD
Retailer 5$6,787 CAD

43 data points across 8 retailers

22 retailers$3,155 CAD to $8,486 CAD

Retailer 1
-
$3,024 CAD
Price last confirmed 26 days ago
A
Retailer 2
-
$3,155 CAD
View
A
Retailer 3
-
$3,177 CAD
View
A
Retailer 4
-
$3,226 CAD
View
B+
Retailer 5
-
$3,293 CAD
View
B+
Retailer 6
-
$3,394 CAD
View
Final sale: no returns
B+
Retailer 7
-
$3,412 CAD
View
Retailer 8
-
$3,677 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,677 CAD
View
B+
Retailer 10
-
$3,730 CAD
View
B+
Retailer 11
-
$3,776 CAD
View
B+
Retailer 12
-
$3,818 CAD
View
B
Retailer 13
-
$4,204 CAD
View
B
Retailer 14
-
$4,204 CAD
View
B
Retailer 15
-
$4,243 CAD
View
B+
Retailer 16
-
$4,271 CAD
View
B
Retailer 17
-
$4,343 CAD
View
B+
Retailer 18
-
$4,429 CAD
View
Retailer 19
-
$4,714 CAD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$6,787 CAD
View
B
Retailer 21
-
$8,339 CAD
View
Most Expensive
B
NZ Jewellers
bcb0ac1b-07bb-4a7d-b9c3-dcd4980bfa5b · Nov 5
$8,486 CAD
$6,076 USD
View
21 more retailers have this diamond
Prices start from $3,155 CADSave up to $5,331 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
1.00ct Round
$3,155 CAD