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Radiant|Natural|GIA

1.21ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1548626456

Certificate GIA 1548626456

Diamond specifications and retailer prices

From $4,171 CAD
As of November 3, 2026
Save $3,283 CAD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,454 CAD at NZ Jewellers · As of November 3, 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 D 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 1548626456. Listed at 8 retailers as of November 3, 2026, with prices from $4,171 to $7,454, a $3,283 spread on the same certified stone. NZ Jewellers lists it at $7,454. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.45°
Pavilion angle34.68°
OriginNatural
Grading LabGIA
CertificateGIA 1548626456
Dimensions6.81 × 5.33 × 3.71 mm
L/W Ratio1.28
Girdle conditionThick
Key to symbols
Crystal, Pinpoint
Top View
6.81 mm5.33 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548626456
Side View
Table 72.0%Crown 54.45°Girdle: ThickPavilion 34.68°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $7,454 CAD|Low: $4,171 CAD|High: $7,635 CAD|Avg: $5,169 CAD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$4,171 CAD
Retailer 2$4,172 CAD
Retailer 8$4,279 CAD
Retailer 7$4,443 CAD
Retailer 11$4,488 CAD
Retailer 10$4,570 CAD
Retailer 5$4,827 CAD
Retailer 4$4,857 CAD
Retailer 13$5,030 CAD
Retailer 12$5,092 CAD
Retailer 3$5,337 CAD
Retailer 6$7,154 CAD
NZ Jewellers$7,454 CAD

34 data points across 13 retailers

8 retailers$4,171 CAD to $7,454 CAD

A
Cheapest Retailer
-
$4,171 CAD
A
Retailer 2
-
$4,172 CAD
View
A
Retailer 3
-
$4,279 CAD
View
A
Retailer 4
-
$4,443 CAD
View
A
Retailer 5
-
$4,488 CAD
View
Retailer 6
-
$4,570 CAD
View
Price last confirmed 31 days ago
B
Retailer 7
-
$7,154 CAD
View
Most Expensive
B
NZ Jewellers
b32c0587-4dbb-4cc1-b33c-78e9665a1bb0 · Nov 3
$7,454 CAD
$5,299 USD
View
7 more retailers have this diamond
Prices start from $4,171 CADSave up to $3,283 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 Radiant
$4,171 CAD