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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6565154005

Certificate GIA 6565154005

Diamond specifications and retailer prices

From $3,378 CAD
As of November 6, 2026
Save $4,610 CAD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,989 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565154005. Listed at 10 retailers as of November 5, 2026, with prices from $3,378 to $7,989, a $4,610 spread on the same certified stone. NZ Jewellers lists it at $7,989. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565154005
Dimensions6.42 × 6.45 × 4.02 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle, Pinpoint, Cloud
Top View
6.42 mm6.45 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565154005
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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: $7,989 CAD|Low: $3,378 CAD|High: $8,229 CAD|Avg: $5,153 CAD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,378 CAD
Retailer 7$3,923 CAD
Retailer 10$4,174 CAD
Retailer 2$4,388 CAD
Retailer 5$4,585 CAD
Retailer 3$4,708 CAD
Retailer 8$4,762 CAD
Retailer 4$5,251 CAD
Retailer 6$7,648 CAD
NZ Jewellers$7,989 CAD

20 data points across 10 retailers

10 retailers$3,378 CAD to $7,989 CAD

A
Cheapest Retailer
-
$3,378 CAD
A
Retailer 2
-
$3,923 CAD
View
B+
Retailer 3
-
$4,174 CAD
View
B+
Retailer 4
-
$4,388 CAD
View
B+
Retailer 5
-
$4,585 CAD
View
B+
Retailer 6
-
$4,708 CAD
View
B+
Retailer 7
-
$4,762 CAD
View
B+
Retailer 8
-
$5,251 CAD
View
B
Retailer 9
-
$7,648 CAD
View
Most Expensive
B
NZ Jewellers
a0ea82f5-239f-4be0-b24e-886fd76c7c48 · Nov 5
$7,989 CAD
$5,720 USD
View
9 more retailers have this diamond
Prices start from $3,378 CADSave up to $4,610 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
$3,378 CAD