Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 3515698616

Certificate GIA 3515698616

Diamond specifications and retailer prices

From $5,874 CAD
As of November 5, 2026
Save $6,562 CAD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,436 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 3515698616. Listed at 17 retailers as of November 5, 2026, with prices from $5,874 to $12,436, a $6,562 spread on the same certified stone. NZ Jewellers lists it at $12,436. 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 angle32.8°
OriginNatural
Grading LabGIA
CertificateGIA 3515698616
Dimensions7.18 × 5.31 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.18 mm5.31 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515698616
Side View
Table 67.0%CrownGirdle: STK-THKPavilion 32.8°Culet: NDepth 66.3%

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: $12,436 CAD|Low: $6,269 CAD|High: $12,436 CAD|Avg: $8,158 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10$6,269 CAD
Retailer 3$6,351 CAD
Retailer 8$6,736 CAD
Retailer 9$6,736 CAD
Retailer 11$6,736 CAD
Retailer 4$7,348 CAD
Retailer 7$7,496 CAD
Retailer 5$8,368 CAD
Retailer 6$9,071 CAD
Retailer 2$11,779 CAD
NZ Jewellers$12,436 CAD

45 data points across 11 retailers

17 retailers$5,874 CAD to $12,436 CAD

B+
Cheapest Retailer
-
$5,874 CAD
B
Retailer 2
-
$6,269 CAD
View
B
Retailer 3
-
$6,351 CAD
View
B
Retailer 4
-
$6,362 CAD
View
B
Retailer 5
-
$6,736 CAD
View
B
Retailer 6
-
$6,736 CAD
View
Retailer 7
-
$6,736 CAD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$7,340 CAD
View
B
Retailer 9
-
$7,348 CAD
View
Retailer 10
-
$7,496 CAD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$7,773 CAD
View
Retailer 12
-
$8,206 CAD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$8,368 CAD
View
B
Retailer 14
-
$8,392 CAD
View
B
Retailer 15
-
$9,071 CAD
View
B
Retailer 16
-
$11,779 CAD
View
Most Expensive
B
NZ Jewellers
e84a75b7-a070-4130-8530-22d294cb9c05 · Nov 5
$12,436 CAD
$8,841 USD
View
16 more retailers have this diamond
Prices start from $5,874 CADSave up to $6,562 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
$5,874 CAD