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Round|Natural|IGI

1.20ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 425073127

Shape and cutting style on the report: Round brilliant

Certificate IGI 425073127

Diamond specifications and retailer prices

From $1,218 CAD
As of November 5, 2026
Save $2,557 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,775 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 425073127. Listed at 14 retailers as of November 5, 2026, with prices from $1,218 to $3,775, a $2,557 spread on the same certified stone. NZ Jewellers lists it at $3,775. 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

1.20
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 425073127
Dimensions6.76 × 6.80 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.76 mm6.80 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 425073127
Side View
Table 54.5%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

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: $3,775 CAD|Low: $1,218 CAD|High: $3,775 CAD|Avg: $1,853 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 6, 2026
Retailer 8$1,218 CAD
Retailer 3$1,482 CAD
Retailer 2$1,521 CAD
Retailer 5$1,547 CAD
Retailer 12$1,547 CAD
Retailer 6$1,607 CAD
Retailer 4$1,735 CAD
Retailer 13$1,739 CAD
Retailer 11$1,786 CAD
Retailer 10$1,797 CAD
Retailer 9$1,888 CAD
Retailer 7$2,102 CAD
Retailer 14$2,318 CAD
NZ Jewellers$3,775 CAD

38 data points across 14 retailers

14 retailers$1,218 CAD to $3,775 CAD

A
Cheapest Retailer
-
$1,218 CAD
B+
Retailer 2
-
$1,482 CAD
View
A
Retailer 3
-
$1,521 CAD
View
Retailer 4
-
$1,547 CAD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,547 CAD
View
B+
Retailer 6
-
$1,607 CAD
View
B+
Retailer 7
-
$1,735 CAD
View
B+
Retailer 8
-
$1,739 CAD
View
B+
Retailer 9
-
$1,786 CAD
View
B+
Retailer 10
-
$1,797 CAD
View
B+
Retailer 11
-
$1,888 CAD
View
B+
Retailer 12
-
$2,102 CAD
View
B+
Retailer 13
-
$2,318 CAD
View
Most Expensive
B
NZ Jewellers
8721241d-33f3-4f5b-921a-9a0e1ce9782c · Nov 5
$3,775 CAD
$2,703 USD
View
13 more retailers have this diamond
Prices start from $1,218 CADSave up to $2,557 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
1.20ct Round
$1,218 CAD