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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565521271

Certificate GIA 6565521271

Diamond specifications and retailer prices

From $2,880 CAD
As of November 6, 2026
Save $3,759 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,639 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural round diamond

This 1.05ct 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 6565521271. Listed at 12 retailers as of November 4, 2026, with prices from $2,880 to $6,639, a $3,759 spread on the same certified stone. MOH London lists it at $6,639. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565521271
Dimensions6.50 × 6.48 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.50 mm6.48 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565521271
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: $6,639 CAD|Low: $2,880 CAD|High: $6,816 CAD|Avg: $4,053 CAD|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$2,880 CAD
Retailer 3$3,402 CAD
Retailer 4$3,434 CAD
Retailer 7$3,505 CAD
Retailer 9$3,799 CAD
Retailer 10$3,945 CAD
Retailer 11$3,996 CAD
Retailer 5$3,997 CAD
Retailer 8$4,443 CAD
Retailer 6$4,508 CAD
MOH London$6,639 CAD

23 data points across 11 retailers

12 retailers$2,880 CAD to $6,639 CAD

A
Cheapest Retailer
-
$2,880 CAD
A
Retailer 2
-
$3,402 CAD
View
A
Retailer 3
-
$3,434 CAD
View
A
Retailer 4
-
$3,505 CAD
View
Final sale: no returns
Retailer 5
-
$3,566 CAD
View
Price last confirmed 26 days ago
Retailer 6
-
$3,799 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,945 CAD
View
B+
Retailer 8
-
$3,996 CAD
View
A
Retailer 9
-
$3,997 CAD
View
B+
Retailer 10
-
$4,443 CAD
View
B+
Retailer 11
-
$4,508 CAD
View
Most Expensive
B
MOH London
5231E2A76 · Nov 4
$6,639 CAD
£3,743 GBP
View
11 more retailers have this diamond
Prices start from $2,880 CADSave up to $3,759 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
$2,880 CAD