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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555581750

Certificate GIA 6555581750

Diamond specifications and retailer prices

From $3,142 CAD
As of November 4, 2026
Save $4,134 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,276 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555581750. Listed at 12 retailers as of November 4, 2026, with prices from $3,142 to $7,276, a $4,134 spread on the same certified stone. NZ Jewellers lists it at $7,276. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555581750
Dimensions6.52 × 6.50 × 4.06 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.52 mm6.50 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555581750
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°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 4
Current: $7,276 CAD|Low: $3,142 CAD|High: $7,572 CAD|Avg: $4,231 CAD|-3.9%
NZ Jewellers
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 11$3,142 CAD
Retailer 2$3,147 CAD
Retailer 3$3,384 CAD
Retailer 12$3,480 CAD
Retailer 4$3,515 CAD
Retailer 9$3,641 CAD
Retailer 6$3,660 CAD
Retailer 5$3,748 CAD
Retailer 10$4,015 CAD
Retailer 7$4,317 CAD
Retailer 8$6,079 CAD
NZ Jewellers$7,276 CAD

29 data points across 12 retailers

12 retailers$3,142 CAD to $7,276 CAD

A
Cheapest Retailer
-
$3,142 CAD
A
Retailer 2
-
$3,147 CAD
View
A
Retailer 3
-
$3,384 CAD
View
A
Retailer 4
-
$3,480 CAD
View
Retailer 5
-
$3,515 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$3,641 CAD
View
A
Retailer 7
-
$3,660 CAD
View
A
Retailer 8
-
$3,748 CAD
View
A
Retailer 9
-
$4,015 CAD
View
B+
Retailer 10
-
$4,317 CAD
View
B+
Retailer 11
-
$6,079 CAD
View
Most Expensive
B
NZ Jewellers
d751fad7-a16e-4d9a-8ba7-00bbc9bdd159 · Nov 5
$7,276 CAD
$5,210 USD
View
11 more retailers have this diamond
Prices start from $3,142 CADSave up to $4,134 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
$3,142 CAD