Radiant|Natural|GIA

1.21ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 07

Certificate GIA 07

Diamond specifications and retailer prices

From $5,242 CAD
As of November 6, 2026
Save $6,776 CAD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,018 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 E 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. Listed at 10 retailers as of November 5, 2026, with prices from $5,242 to $12,018, a $6,776 spread on the same certified stone. NZ Jewellers lists it at $12,018. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 07
Dimensions6.84 × 5.38 × 3.75 mm
L/W Ratio1.27
Top View
6.84 mm5.38 mm1.21 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 07
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.7%

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: $12,018 CAD|Low: $5,242 CAD|High: $12,018 CAD|Avg: $6,806 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$5,242 CAD
Retailer 9$5,512 CAD
Retailer 2$6,189 CAD
Retailer 4$6,250 CAD
Retailer 6$6,250 CAD
Retailer 8$6,451 CAD
Retailer 7$6,511 CAD
Retailer 3$7,141 CAD
NZ Jewellers$12,018 CAD

6 data points across 9 retailers

10 retailers$5,242 CAD to $12,018 CAD

B+
Cheapest Retailer
-
$5,242 CAD
B+
Retailer 2
-
$5,512 CAD
View
B+
Retailer 3
-
$6,189 CAD
View
Retailer 4
-
$6,250 CAD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$6,250 CAD
View
B+
Retailer 6
-
$6,451 CAD
View
B+
Retailer 7
-
$6,511 CAD
View
B
Retailer 8
-
$7,141 CAD
View
Retailer 9
-
$7,210 CAD
View
Price last confirmed 53 days ago
Most Expensive
B
NZ Jewellers
194177cb-0a30-490e-840c-199ec22db9f4 · Nov 5
$12,018 CAD
$8,544 USD
View
9 more retailers have this diamond
Prices start from $5,242 CADSave up to $6,776 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
$5,242 CAD