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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5526904201

Certificate GIA 5526904201

Diamond specifications and retailer prices

From $5,977 CAD
As of November 5, 2026
Save $6,674 CAD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,651 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 5526904201. Listed at 18 retailers as of November 5, 2026, with prices from $5,977 to $12,651, a $6,674 spread on the same certified stone. NZ Jewellers lists it at $12,651. 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
Pavilion angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 5526904201
Dimensions7.12 × 5.27 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.12 mm5.27 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526904201
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 33.5°Culet: NDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $12,651 CAD|Low: $5,272 CAD|High: $12,651 CAD|Avg: $8,126 CAD
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 7, 2026
Retailer 8$5,977 CAD
Retailer 9$6,327 CAD
Retailer 4$6,456 CAD
Retailer 3$6,853 CAD
Retailer 11$6,853 CAD
Retailer 12$6,853 CAD
Retailer 5$7,307 CAD
Retailer 10$7,625 CAD
Retailer 6$8,511 CAD
Retailer 7$9,229 CAD
Retailer 2$11,983 CAD
NZ Jewellers$12,651 CAD

45 data points across 12 retailers

18 retailers$5,977 CAD to $12,651 CAD

B+
Cheapest Retailer
-
$5,977 CAD
B
Retailer 2
-
$6,327 CAD
View
Final sale: no returns
B
Retailer 3
-
$6,379 CAD
View
B
Retailer 4
-
$6,423 CAD
View
B
Retailer 5
-
$6,456 CAD
View
B
Retailer 6
-
$6,853 CAD
View
B
Retailer 7
-
$6,853 CAD
View
Retailer 8
-
$6,853 CAD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$7,307 CAD
View
B
Retailer 10
-
$7,468 CAD
View
Retailer 11
-
$7,625 CAD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,906 CAD
View
Retailer 13
-
$8,348 CAD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$8,511 CAD
View
B
Retailer 15
-
$8,538 CAD
View
B
Retailer 16
-
$9,229 CAD
View
B
Retailer 17
-
$11,983 CAD
View
Most Expensive
B
NZ Jewellers
3c3d90cd-a52c-4c09-96da-7034f867374f · Nov 5
$12,651 CAD
$8,994 USD
View
17 more retailers have this diamond
Prices start from $5,977 CADSave up to $6,674 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
$5,977 CAD