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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2566444631

Certificate GIA 2566444631

Diamond specifications and retailer prices

From $4,751 CAD
As of November 4, 2026
Save $3,786 CAD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,537 CAD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566444631. Listed at 14 retailers as of November 4, 2026, with prices from $4,751 to $8,537, a $3,786 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,537. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566444631
Dimensions7.41 × 5.30 × 3.60 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.41 mm5.30 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566444631
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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 4
Current: $5,484 CAD|Low: $4,751 CAD|High: $8,537 CAD|Avg: $6,160 CAD|-0.3%
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
Wholesale Diamonds Direct
November 7, 2026
Retailer 12$4,751 CAD
Retailer 3$4,829 CAD
Retailer 8$4,867 CAD
Retailer 10$5,076 CAD
Retailer 9$5,148 CAD
Retailer 5$5,185 CAD
Retailer 1$5,484 CAD
Retailer 11$6,044 CAD
Retailer 4$6,114 CAD
Retailer 7$6,333 CAD
Retailer 6$6,593 CAD
Retailer 2$8,013 CAD
Retailer 13$8,513 CAD
Wholesale Diamonds Direct$8,537 CAD

38 data points across 14 retailers

14 retailers$4,751 CAD to $8,537 CAD

B+
Cheapest Retailer
-
$4,751 CAD
B+
Retailer 2
-
$4,829 CAD
View
B+
Retailer 3
-
$4,867 CAD
View
B+
Retailer 4
-
$5,076 CAD
View
Retailer 5
-
$5,148 CAD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$5,185 CAD
View
B+
Retailer 7
-
$5,484 CAD
View
B
Retailer 8
-
$6,044 CAD
View
B
Retailer 9
-
$6,114 CAD
View
B
Retailer 10
-
$6,333 CAD
View
B
Retailer 11
-
$6,593 CAD
View
B
Retailer 12
-
$8,013 CAD
View
B
Retailer 13
-
$8,513 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
451166363 · Nov 6
$8,537 CAD
$6,069 USD
View
13 more retailers have this diamond
Prices start from $4,751 CADSave up to $3,786 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
$4,751 CAD