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Round|Natural|IGI

1.21ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 587305986

Shape and cutting style on the report: Round brilliant

Certificate IGI 587305986

Diamond specifications and retailer prices

From $1,831 CAD
As of November 5, 2026
Save $2,990 CAD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,821 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 587305986. Listed at 12 retailers as of November 5, 2026, with prices from $1,831 to $4,821, a $2,990 spread on the same certified stone. NZ Jewellers lists it at $4,821. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 587305986
Dimensions6.83 × 6.75 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
6.83 mm6.75 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 587305986
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.6%

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 5
Current: $4,821 CAD|Low: $1,807 CAD|High: $4,821 CAD|Avg: $2,365 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
November 5, 2026
Retailer 3$1,830 CAD
Retailer 11$1,831 CAD
Retailer 5$1,959 CAD
Retailer 12$1,976 CAD
Retailer 14$1,976 CAD
Retailer 4$2,033 CAD
Retailer 13$2,068 CAD
Retailer 10$2,281 CAD
Retailer 6$2,320 CAD
Retailer 2$2,349 CAD
Retailer 8$2,575 CAD
Retailer 7$2,733 CAD
Retailer 9$3,620 CAD
NZ Jewellers$4,821 CAD

32 data points across 14 retailers

12 retailers$1,831 CAD to $4,821 CAD

Retailer 1
-
$1,830 CAD
Price last confirmed 43 days ago
A
Retailer 2
-
$1,831 CAD
View
A
Retailer 3
-
$1,976 CAD
View
Retailer 4
-
$1,976 CAD
View
Price last confirmed 8 days ago
Retailer 5
-
$2,033 CAD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$2,068 CAD
View
B+
Retailer 7
-
$2,281 CAD
View
A
Retailer 8
-
$2,349 CAD
View
A
Retailer 9
-
$2,575 CAD
View
B+
Retailer 10
-
$2,733 CAD
View
B+
Retailer 11
-
$3,620 CAD
View
Most Expensive
B
NZ Jewellers
f93b802b-2bdf-48fe-8749-353543e40829 · Nov 5
$4,821 CAD
$3,452 USD
View
11 more retailers have this diamond
Prices start from $1,831 CADSave up to $2,990 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
$1,831 CAD