Round|Natural|GIA

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 3545917764

Certificate GIA 3545917764

Diamond specifications and retailer prices

From $4,266 CAD
As of November 4, 2026
Save $4,325 CAD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,592 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct 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 3545917764. Listed at 15 retailers as of November 4, 2026, with prices from $4,266 to $8,592, a $4,325 spread on the same certified stone. NZ Jewellers lists it at $8,592. 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

1.21
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3545917764
Dimensions6.79 × 6.84 × 4.22 mm
L/W Ratio1.01
Star length50%
Top View
6.79 mm6.84 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545917764
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,121 CAD|Low: $3,785 CAD|High: $8,247 CAD|Avg: $4,875 CAD|+14.6%
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
Retailer 15
November 6, 2026
Retailer 2$3,785 CAD
Retailer 3$3,834 CAD
Retailer 13$4,266 CAD
Retailer 4$4,403 CAD
Retailer 12$4,411 CAD
Retailer 5$4,424 CAD
Retailer 7$4,435 CAD
Retailer 15$4,611 CAD
Retailer 11$4,902 CAD
Retailer 14$4,902 CAD
Retailer 1$5,121 CAD
Retailer 6$5,301 CAD
Retailer 8$5,437 CAD
Retailer 10$7,189 CAD
Retailer 9$8,224 CAD

26 data points across 15 retailers

15 retailers$4,266 CAD to $8,592 CAD

A
Cheapest Retailer
-
$4,266 CAD
Retailer 2
-
$4,403 CAD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$4,411 CAD
View
Retailer 4
-
$4,424 CAD
View
Price last confirmed 39 days ago
Retailer 5
-
$4,594 CAD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$4,611 CAD
View
B+
Retailer 7
-
$4,902 CAD
View
B+
Retailer 8
-
$4,902 CAD
View
Retailer 9
-
$5,105 CAD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$5,121 CAD
View
B+
Retailer 11
-
$5,437 CAD
View
B
Retailer 12
-
$7,189 CAD
View
Retailer 13
-
$7,707 CAD
View
Price last confirmed 39 days ago
B
Retailer 14
-
$8,224 CAD
View
Most Expensive
B
NZ Jewellers
cb97fc63-3e39-4e23-8bc3-dea6d76b86ca · Nov 5
$8,592 CAD
$6,108 USD
View
14 more retailers have this diamond
Prices start from $4,266 CADSave up to $4,325 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
1.21ct Round
$4,266 CAD