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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2416493551

Certificate GIA 2416493551

Diamond specifications and retailer prices

From $4,029 CAD
As of November 4, 2026
Save $4,950 CAD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,979 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2416493551. Listed at 19 retailers as of November 4, 2026, with prices from $4,029 to $8,979, a $4,950 spread on the same certified stone. NZ Jewellers lists it at $8,979. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2416493551
Dimensions6.80 × 6.76 × 4.24 mm
L/W Ratio1.01
Top View
6.80 mm6.76 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2416493551
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: $8,979 CAD|Low: $3,867 CAD|High: $9,060 CAD|Avg: $5,415 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 14$4,029 CAD
Retailer 18$4,061 CAD
Retailer 5$4,144 CAD
Retailer 6$4,309 CAD
Retailer 15$4,385 CAD
Retailer 9$4,669 CAD
Retailer 10$4,669 CAD
Retailer 3$4,686 CAD
Retailer 17$4,848 CAD
Retailer 7$5,223 CAD
Retailer 16$5,223 CAD
Retailer 12$5,300 CAD
Retailer 2$5,335 CAD
Retailer 8$5,405 CAD
Retailer 11$5,635 CAD
Retailer 4$5,836 CAD
Retailer 13$8,595 CAD
NZ Jewellers$8,979 CAD

39 data points across 18 retailers

19 retailers$4,029 CAD to $8,979 CAD

A
Cheapest Retailer
-
$4,029 CAD
A
Retailer 2
-
$4,061 CAD
View
B+
Retailer 3
-
$4,144 CAD
View
B+
Retailer 4
-
$4,295 CAD
View
B+
Retailer 5
-
$4,309 CAD
View
Final sale: no returns
Retailer 6
-
$4,385 CAD
View
Price last confirmed 17 days ago
Retailer 7
-
$4,669 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,669 CAD
View
B+
Retailer 9
-
$4,686 CAD
View
B+
Retailer 10
-
$4,848 CAD
View
B
Retailer 11
-
$5,223 CAD
View
B
Retailer 12
-
$5,223 CAD
View
B
Retailer 13
-
$5,253 CAD
View
B+
Retailer 14
-
$5,300 CAD
View
B
Retailer 15
-
$5,335 CAD
View
B
Retailer 16
-
$5,405 CAD
View
B+
Retailer 17
-
$5,635 CAD
View
B
Retailer 18
-
$8,595 CAD
View
Most Expensive
B
NZ Jewellers
016afa2a-a770-4c4a-8e1c-d63ca2ad3294 · Nov 5
$8,979 CAD
$6,429 USD
View
18 more retailers have this diamond
Prices start from $4,029 CADSave up to $4,950 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 Round
$4,029 CAD