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Radiant|Natural|GIA

1.21ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2546879767

Certificate GIA 2546879767

Diamond specifications and retailer prices

From $4,687 CAD
As of November 6, 2026
Save $5,128 CAD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,814 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546879767. Listed at 12 retailers as of November 2, 2026, with prices from $4,687 to $9,814, a $5,128 spread on the same certified stone. MOH London lists it at $9,814. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546879767
Dimensions7.21 × 5.31 × 3.60 mm
L/W Ratio1.36
Top View
7.21 mm5.31 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546879767
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,814 CAD|Low: $4,687 CAD|High: $9,934 CAD|Avg: $6,555 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$4,687 CAD
Retailer 9$4,739 CAD
Retailer 7$5,939 CAD
Retailer 6$6,077 CAD
Retailer 3$6,134 CAD
Retailer 2$6,242 CAD
Retailer 4$6,935 CAD
Retailer 5$8,911 CAD
MOH London$9,814 CAD

44 data points across 9 retailers

12 retailers$4,687 CAD to $9,814 CAD

B+
Cheapest Retailer
-
$4,687 CAD
B+
Retailer 2
-
$4,739 CAD
View
B
Retailer 3
-
$5,939 CAD
View
B
Retailer 4
-
$6,077 CAD
View
B
Retailer 5
-
$6,134 CAD
View
B+
Retailer 6
-
$6,242 CAD
View
B
Retailer 7
-
$6,302 CAD
View
B
Retailer 8
-
$6,302 CAD
View
B
Retailer 9
-
$6,513 CAD
View
B
Retailer 10
-
$6,935 CAD
View
B
Retailer 11
-
$8,911 CAD
View
Most Expensive
B
MOH London
2B4605AD0 · Nov 2
$9,814 CAD
£5,494 GBP
View
11 more retailers have this diamond
Prices start from $4,687 CADSave up to $5,128 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.

B+
1.21ct Radiant
$4,687 CAD