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Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1565405171

Certificate GIA 1565405171

Diamond specifications and retailer prices

From $4,345 CAD
As of November 6, 2026
Save $5,707 CAD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,052 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565405171. Listed at 15 retailers as of November 5, 2026, with prices from $4,345 to $10,052, a $5,707 spread on the same certified stone. NZ Jewellers lists it at $10,052. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565405171
Dimensions7.04 × 5.36 × 3.59 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.04 mm5.36 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565405171
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $10,052 CAD|Low: $4,321 CAD|High: $10,455 CAD|Avg: $6,305 CAD|-3.9%
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
Retailer 14
November 7, 2026
Retailer 7$4,345 CAD
Retailer 10$4,356 CAD
Retailer 4$5,313 CAD
Retailer 11$5,325 CAD
Retailer 3$5,489 CAD
Retailer 8$5,597 CAD
Retailer 12$5,770 CAD
Retailer 13$5,770 CAD
Retailer 2$5,774 CAD
Retailer 14$6,114 CAD
Retailer 6$6,400 CAD
Retailer 5$6,657 CAD
Retailer 9$9,623 CAD
NZ Jewellers$10,052 CAD

30 data points across 14 retailers

15 retailers$4,345 CAD to $10,052 CAD

A
Cheapest Retailer
-
$4,345 CAD
A
Retailer 2
-
$4,356 CAD
View
B+
Retailer 3
-
$4,840 CAD
View
B+
Retailer 4
-
$5,313 CAD
View
B
Retailer 5
-
$5,325 CAD
View
Final sale: no returns
Retailer 6
-
$5,489 CAD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$5,597 CAD
View
B+
Retailer 8
-
$5,770 CAD
View
B+
Retailer 9
-
$5,770 CAD
View
B+
Retailer 10
-
$5,774 CAD
View
B+
Retailer 11
-
$6,114 CAD
View
Retailer 12
-
$6,400 CAD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$6,657 CAD
View
B
Retailer 14
-
$9,623 CAD
View
Most Expensive
B
NZ Jewellers
7e1aef85-8ab4-4137-a5bc-67e8757982bc · Nov 5
$10,052 CAD
$7,146 USD
View
14 more retailers have this diamond
Prices start from $4,345 CADSave up to $5,707 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
$4,345 CAD