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Round|Natural|HRD

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • HRD 240000199388

Certificate HRD 240000199388

Diamond specifications and retailer prices

From $2,803 CAD
As of November 4, 2026
Save $3,684 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,487 CAD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 240000199388. Listed at 14 retailers as of November 2, 2026, with prices from $2,803 to $6,487, a $3,684 spread on the same certified stone. NZ Jewellers lists it at $6,487. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.2°
Pavilion angle41.4°
OriginNatural
Grading LabHRD
CertificateHRD 240000199388
Dimensions6.75 × 6.71 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
6.75 mm6.71 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 240000199388
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.4%

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 4
Current: $6,487 CAD|Low: $2,625 CAD|High: $6,487 CAD|Avg: $3,744 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$2,803 CAD
Retailer 5$2,862 CAD
Retailer 7$2,955 CAD
Retailer 8$3,103 CAD
Retailer 10$3,103 CAD
Retailer 6$3,246 CAD
Retailer 9$3,580 CAD
Retailer 2$3,850 CAD
Retailer 3$5,421 CAD
NZ Jewellers$6,487 CAD

27 data points across 10 retailers

14 retailers$2,803 CAD to $6,487 CAD

A
Cheapest Retailer
-
$2,803 CAD
A
Retailer 2
-
$2,862 CAD
View
Final sale: no returns
A
Retailer 3
-
$2,955 CAD
View
Retailer 4
-
$3,103 CAD
View
Price last confirmed 53 days ago
Retailer 5
-
$3,103 CAD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$3,103 CAD
View
A
Retailer 7
-
$3,246 CAD
View
Retailer 8
-
$3,580 CAD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$3,580 CAD
View
A
Retailer 10
-
$3,850 CAD
View
B+
Retailer 11
-
$5,421 CAD
View
B
Retailer 12
-
$6,092 CAD
View
Retailer 13
-
$6,487 CAD
View
Price last confirmed 52 days ago
Most Expensive
B
NZ Jewellers
3400ff51-b38b-445a-a925-c9e3f6b5b1aa · Nov 2
$6,487 CAD
$4,612 USD
View
13 more retailers have this diamond
Prices start from $2,803 CADSave up to $3,684 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
$2,803 CAD