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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555742497

Certificate GIA 6555742497

Diamond specifications and retailer prices

From $3,201 CAD
As of November 6, 2026
Save $5,285 CAD (62%) vs most expensive(unlock to see where)
26 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 6555742497. Listed at 26 retailers as of November 5, 2026, with prices from $3,201 to $8,486, a $5,285 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555742497
Dimensions6.44 × 6.46 × 3.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.44 mm6.46 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555742497
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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: $3,219 CAD|High: $6,868 CAD|Avg: $4,345 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$3,219 CAD
Retailer 1$3,776 CAD
Retailer 6$3,818 CAD
Retailer 7$3,989 CAD
Retailer 8$3,991 CAD
Retailer 2$4,271 CAD
Retailer 3$4,429 CAD
Retailer 4$6,769 CAD

42 data points across 8 retailers

26 retailers$3,201 CAD to $8,486 CAD

A
Cheapest Retailer
-
$3,201 CAD
A
Retailer 2
-
$3,219 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,226 CAD
View
A
Retailer 4
-
$3,293 CAD
View
B+
Retailer 5
-
$3,412 CAD
View
B+
Retailer 6
-
$3,469 CAD
View
B+
Retailer 7
-
$3,677 CAD
View
Retailer 8
-
$3,677 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,730 CAD
View
B+
Retailer 10
-
$3,776 CAD
View
B+
Retailer 11
-
$3,818 CAD
View
B+
Retailer 12
-
$3,989 CAD
View
B+
Retailer 13
-
$3,989 CAD
View
B+
Retailer 14
-
$3,991 CAD
View
B+
Retailer 15
-
$4,019 CAD
View
B+
Retailer 16
-
$4,204 CAD
View
B+
Retailer 17
-
$4,204 CAD
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B+
Retailer 18
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$4,241 CAD
View
B+
Retailer 19
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$4,243 CAD
View
B+
Retailer 20
-
$4,271 CAD
View
B
Retailer 21
-
$4,343 CAD
View
B+
Retailer 22
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$4,429 CAD
View
B
Retailer 23
-
$4,919 CAD
View
B
Retailer 24
-
$5,849 CAD
View
B
Retailer 25
-
$6,769 CAD
View
Most Expensive
B
NZ Jewellers
3e6af43f-47f0-4dd2-a37d-27fc8b5b5cca · Nov 5
$8,486 CAD
$6,076 USD
View
25 more retailers have this diamond
Prices start from $3,201 CADSave up to $5,285 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
$3,201 CAD