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Round|Natural|IGI

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 816643819

Shape and cutting style on the report: Round brilliant

Certificate IGI 816643819

Diamond specifications and retailer prices

From $2,404 CAD
As of November 5, 2026
Save $3,736 CAD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,139 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 816643819. Listed at 11 retailers as of November 2, 2026, with prices from $2,404 to $6,139, a $3,736 spread on the same certified stone. NZ Jewellers lists it at $6,139. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 816643819
Dimensions6.76 × 6.81 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.76 mm6.81 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643819
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°CuletDepth 62.5%

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 5
Current: $2,732 CAD|Low: $2,404 CAD|High: $5,207 CAD|Avg: $3,476 CAD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$2,404 CAD
Retailer 1$2,732 CAD
Retailer 7$3,073 CAD
Retailer 6$3,394 CAD
Retailer 4$3,584 CAD
Retailer 2$3,740 CAD
Retailer 5$5,131 CAD

41 data points across 7 retailers

11 retailers$2,404 CAD to $6,139 CAD

A
Cheapest Retailer
-
$2,404 CAD
A
Retailer 2
-
$2,732 CAD
View
A
Retailer 3
-
$2,937 CAD
View
A
Retailer 4
-
$3,073 CAD
View
B+
Retailer 5
-
$3,130 CAD
View
B+
Retailer 6
-
$3,388 CAD
View
B+
Retailer 7
-
$3,394 CAD
View
B+
Retailer 8
-
$3,584 CAD
View
B+
Retailer 9
-
$3,740 CAD
View
B
Retailer 10
-
$5,131 CAD
View
Most Expensive
B
NZ Jewellers
3c70d52b-20c1-4940-87e6-d516f0da60f4 · Nov 2
$6,139 CAD
$4,396 USD
View
10 more retailers have this diamond
Prices start from $2,404 CADSave up to $3,736 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
$2,404 CAD