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Round|Natural|GIA

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2126497381

Certificate GIA 2126497381

Diamond specifications and retailer prices

From $4,206 CAD
As of November 3, 2026
Save $10,915 CAD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,121 CAD at Jared · As of November 6, 2026
View at Jared

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 2126497381. Listed at 13 retailers as of November 3, 2026, with prices from $4,206 to $15,121, a $10,915 spread on the same certified stone. Jared lists it at $15,121. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2126497381
Dimensions6.86 × 6.82 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.86 mm6.82 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2126497381
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: 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 3
Current: $15,121 CAD|Low: $4,206 CAD|High: $15,121 CAD|Avg: $11,441 CAD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$4,206 CAD
Retailer 7$6,161 CAD
Retailer 9$10,898 CAD
Retailer 5$10,979 CAD
Retailer 12$11,261 CAD
Retailer 8$11,965 CAD
Retailer 11$12,010 CAD
Retailer 3$14,629 CAD
Retailer 4$14,629 CAD
Retailer 10$14,772 CAD
Retailer 2$14,783 CAD
Jared$15,121 CAD

33 data points across 12 retailers

13 retailers$4,206 CAD to $15,121 CAD

A
Cheapest Retailer
-
$4,206 CAD
B+
Retailer 2
-
$6,161 CAD
View
B
Retailer 3
-
$10,898 CAD
View
B
Retailer 4
-
$10,979 CAD
View
B
Retailer 5
-
$11,261 CAD
View
B
Retailer 6
-
$11,965 CAD
View
B
Retailer 7
-
$12,010 CAD
View
B
Retailer 8
-
$14,629 CAD
View
B
Retailer 9
-
$14,629 CAD
View
B
Retailer 10
-
$14,772 CAD
View
B
Retailer 11
-
$14,783 CAD
View
Most Expensive
B
Jared
128855742 · Nov 6
$15,121 CAD
$10,750 USD
View
11 more retailers have this diamond
Prices start from $4,206 CADSave up to $10,915 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
$4,206 CAD