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Marquise|Natural|IGI

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 712558468

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 712558468

Diamond specifications and retailer prices

From $3,653 CAD
As of November 5, 2026
Save $4,079 CAD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,732 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 712558468. Listed at 15 retailers as of November 5, 2026, with prices from $3,653 to $7,732, a $4,079 spread on the same certified stone. NZ Jewellers lists it at $7,732. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 712558468
Dimensions10.73 × 5.29 × 3.40 mm
L/W Ratio2.03
Girdle conditionFaceted
Top View
10.73 mm5.29 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 712558468
Side View
Table 60.0%Crown 41.8°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 64.3%

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: $7,732 CAD|Low: $3,632 CAD|High: $7,732 CAD|Avg: $4,980 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
November 6, 2026
Retailer 10$3,653 CAD
Retailer 6$3,975 CAD
Retailer 13$3,981 CAD
Retailer 4$4,016 CAD
Retailer 3$4,161 CAD
Retailer 14$4,352 CAD
Retailer 7$4,438 CAD
Retailer 8$4,584 CAD
Retailer 15$4,608 CAD
Retailer 12$5,074 CAD
Retailer 5$5,121 CAD
Retailer 9$5,311 CAD
Retailer 2$6,569 CAD
Retailer 11$7,258 CAD
NZ Jewellers$7,732 CAD

12 data points across 15 retailers

15 retailers$3,653 CAD to $7,732 CAD

A
Cheapest Retailer
-
$3,653 CAD
B+
Retailer 2
-
$3,975 CAD
View
A
Retailer 3
-
$3,981 CAD
View
B+
Retailer 4
-
$4,016 CAD
View
Final sale: no returns
B+
Retailer 5
-
$4,161 CAD
View
Retailer 6
-
$4,352 CAD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,438 CAD
View
B+
Retailer 8
-
$4,584 CAD
View
B+
Retailer 9
-
$4,608 CAD
View
B+
Retailer 10
-
$5,074 CAD
View
B
Retailer 11
-
$5,121 CAD
View
B
Retailer 12
-
$5,311 CAD
View
B
Retailer 13
-
$6,569 CAD
View
B
Retailer 14
-
$7,258 CAD
View
Most Expensive
B
NZ Jewellers
7882e09e-f60e-485f-a5cf-6d3b55008840 · Nov 5
$7,732 CAD
$5,497 USD
View
14 more retailers have this diamond
Prices start from $3,653 CADSave up to $4,079 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 Marquise
$3,653 CAD