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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2235458854

Certificate GIA 2235458854

Diamond specifications and retailer prices

From $4,100 CAD
As of November 6, 2026
Save $4,419 CAD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,519 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 2235458854. Listed at 10 retailers as of November 5, 2026, with prices from $4,100 to $8,519, a $4,419 spread on the same certified stone. Diamond Quarter lists it at $8,519. 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
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2235458854
Dimensions6.55 × 6.52 × 4.04 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.55 mm6.52 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235458854
Side View
Table 59.0%Crown 36°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.7%

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: $5,803 CAD|Low: $3,883 CAD|High: $6,630 CAD|Avg: $5,120 CAD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 11$3,883 CAD
Retailer 8$4,100 CAD
Retailer 7$4,148 CAD
Retailer 13$4,167 CAD
Retailer 6$4,482 CAD
Retailer 9$4,899 CAD
Retailer 10$5,209 CAD
Retailer 3$5,433 CAD
Retailer 12$5,433 CAD
Retailer 14$5,528 CAD
Retailer 2$5,614 CAD
Retailer 1$5,803 CAD
Retailer 4$6,307 CAD
Retailer 5$6,630 CAD

21 data points across 14 retailers

10 retailers$4,100 CAD to $8,519 CAD

B+
Cheapest Retailer
-
$4,100 CAD
A
Retailer 2
-
$4,148 CAD
View
B+
Retailer 3
-
$4,167 CAD
View
B+
Retailer 4
-
$4,899 CAD
View
B
Retailer 5
-
$5,209 CAD
View
B+
Retailer 6
-
$5,433 CAD
View
B+
Retailer 7
-
$5,433 CAD
View
B+
Retailer 8
-
$5,614 CAD
View
B+
Retailer 9
-
$5,803 CAD
View
Most Expensive
B
Diamond Quarter
1.05SI2F225422B5N · Nov 5
$8,519 CAD
£4,803 GBP
View
9 more retailers have this diamond
Prices start from $4,100 CADSave up to $4,419 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
$4,100 CAD