Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2546675677

Certificate GIA 2546675677

Diamond specifications and retailer prices

From $5,628 CAD
As of November 6, 2026
Save $858 CAD (13%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,357 CAD at NZ Jewellers · As of October 9, 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 2546675677. Listed at 7 retailers as of November 6, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
FluorescenceNone
Crown angle54.7°
Pavilion angle36.68°
OriginNatural
Grading LabGIA
CertificateGIA 2546675677
Dimensions6.95 × 5.30 × 3.68 mm
L/W Ratio1.31
Top View
6.95 mm5.30 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546675677
Side View
Table 71.0%Crown 54.7°Girdle: Very ThickPavilion 36.68°Culet: NoneDepth 69.5%

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 6
Current: $8,357 CAD|Low: $4,628 CAD|High: $8,357 CAD|Avg: $5,712 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 9$4,628 CAD
Retailer 6$4,737 CAD
Retailer 8$4,797 CAD
Retailer 11$4,981 CAD
Retailer 12$5,006 CAD
Retailer 4$5,092 CAD
Retailer 10$5,143 CAD
Retailer 3$5,345 CAD
Retailer 5$5,628 CAD
Retailer 2$6,486 CAD
Retailer 7$8,119 CAD
NZ Jewellers$8,357 CAD

28 data points across 12 retailers

7 retailers$5,628 CAD to $6,486 CAD

Retailer 1
-
$4,797 CAD
Price last confirmed 28 days ago
Retailer 2
-
$4,981 CAD
View
Price last confirmed 38 days ago
Retailer 3
-
$5,143 CAD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
$5,628 CAD
View
B
Retailer 5
-
$6,486 CAD
View
Retailer 6
-
$8,119 CAD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
e0917b8e-28f1-4cf9-aaa9-dd1624ccc142 · Oct 9
$8,357 CAD
$5,941 USD
View
Price last confirmed 28 days ago
6 more retailers have this diamond
Prices start from $5,628 CADSave up to $858 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
$5,628 CAD