Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6435180932

Certificate GIA 6435180932

Diamond specifications and retailer prices

From $3,649 CAD
As of November 6, 2026
Save $4,187 CAD (53%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $7,836 CAD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6435180932. Listed at 34 retailers as of November 5, 2026, with a 115% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6435180932
Dimensions6.48 × 6.42 × 3.90 mm
L/W Ratio1.01
Top View
6.48 mm6.42 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6435180932
Side View
Table 62.0%Crown 33°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.4%

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 6
Current: $4,626 CAD|Low: $3,701 CAD|High: $7,611 CAD|Avg: $5,326 CAD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$3,701 CAD
Retailer 3$3,761 CAD
Retailer 12$4,075 CAD
Retailer 5$4,300 CAD
Retailer 2$4,621 CAD
Retailer 1$4,626 CAD
Retailer 4$4,822 CAD
Retailer 6$5,223 CAD
Retailer 8$5,232 CAD
Retailer 7$5,490 CAD
Retailer 11$7,449 CAD
Retailer 10$7,522 CAD

36 data points across 12 retailers

34 retailers$3,649 CAD to $7,836 CAD

A
Cheapest Retailer
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$3,649 CAD
A
Retailer 2
-
$3,701 CAD
View
A
Retailer 3
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$3,761 CAD
View
Final sale: no returns
A
Retailer 4
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$3,980 CAD
View
Retailer 5
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$4,075 CAD
View
Price last confirmed 50 days ago
Retailer 6
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$4,075 CAD
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Price last confirmed 28 days ago
Retailer 7
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$4,075 CAD
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Price last confirmed 8 days ago
Retailer 8
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$4,075 CAD
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Price last confirmed 21 days ago
Retailer 9
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$4,075 CAD
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Price last confirmed 15 days ago
B+
Retailer 10
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$4,114 CAD
View
Retailer 11
-
$4,232 CAD
View
Price last confirmed 38 days ago
A
Retailer 12
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$4,300 CAD
View
B+
Retailer 13
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$4,455 CAD
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B+
Retailer 14
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$4,455 CAD
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B+
Retailer 15
-
$4,609 CAD
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B+
Retailer 16
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$4,621 CAD
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Retailer 17
-
$4,621 CAD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
$4,626 CAD
View
Retailer 19
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$4,702 CAD
View
Price last confirmed 28 days ago
Retailer 20
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$4,702 CAD
View
Price last confirmed 45 days ago
Retailer 21
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$4,702 CAD
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Price last confirmed 16 days ago
B+
Retailer 22
-
$4,702 CAD
View
Retailer 23
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$4,822 CAD
View
Price last confirmed 33 days ago
B+
Retailer 24
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$5,010 CAD
View
Retailer 25
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$5,218 CAD
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Price last confirmed 22 days ago
B+
Retailer 26
-
$5,223 CAD
View
B+
Retailer 27
-
$5,232 CAD
View
B+
Retailer 28
-
$5,490 CAD
View
Retailer 29
-
$7,449 CAD
View
Price last confirmed 9 days ago
B
Retailer 30
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$7,522 CAD
View
B
Retailer 31
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$7,836 CAD
View
Retailer 32
-
$7,836 CAD
View
Price last confirmed 39 days ago
Retailer 33
-
$7,836 CAD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
8b22a2a6-3c47-4f47-b165-e8d03f8bd461 · Oct 20
$7,836 CAD
$5,611 USD
View
Price last confirmed 16 days ago
33 more retailers have this diamond
Prices start from $3,649 CADSave up to $4,187 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
$3,649 CAD