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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6451475677

Certificate GIA 6451475677

Diamond specifications and retailer prices

From $3,651 CAD
As of November 6, 2026
Save $6,070 CAD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,721 CAD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451475677. Listed at 19 retailers as of November 6, 2026, with prices from $3,651 to $9,721, a $6,070 spread on the same certified stone. Diamond Quarter lists it at $9,721. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451475677
Dimensions6.46 × 6.42 × 3.93 mm
L/W Ratio1.01
Top View
6.46 mm6.42 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451475677
Side View
Table 57.0%Crown 33°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.0%

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: $3,651 CAD|Low: $3,651 CAD|High: $8,521 CAD|Avg: $5,107 CAD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$3,651 CAD
Retailer 8$3,700 CAD
Retailer 2$4,390 CAD
Retailer 9$4,469 CAD
Retailer 3$4,552 CAD
Retailer 10$4,645 CAD
Retailer 4$5,156 CAD
Retailer 5$5,177 CAD
Retailer 7$5,376 CAD
Retailer 6$8,396 CAD

31 data points across 10 retailers

19 retailers$3,651 CAD to $9,721 CAD

A
Cheapest Retailer
-
$3,651 CAD
A
Retailer 2
-
$3,700 CAD
View
B+
Retailer 3
-
$4,390 CAD
View
B+
Retailer 4
-
$4,469 CAD
View
B+
Retailer 5
-
$4,552 CAD
View
B+
Retailer 6
-
$4,645 CAD
View
Final sale: no returns
Retailer 7
-
$4,712 CAD
View
Price last confirmed 109 days ago
Retailer 8
-
$5,035 CAD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$5,035 CAD
View
B+
Retailer 10
-
$5,156 CAD
View
B+
Retailer 11
-
$5,177 CAD
View
B+
Retailer 12
-
$5,227 CAD
View
B+
Retailer 13
-
$5,237 CAD
View
B+
Retailer 14
-
$5,376 CAD
View
B
Retailer 15
-
$5,808 CAD
View
B
Retailer 16
-
$5,889 CAD
View
B
Retailer 17
-
$8,396 CAD
View
B
Retailer 18
-
$8,771 CAD
View
Most Expensive
B
Diamond Quarter
1.0SI2F64778F74N · Nov 6
$9,721 CAD
£5,481 GBP
View
18 more retailers have this diamond
Prices start from $3,651 CADSave up to $6,070 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
$3,651 CAD