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Marquise|Natural|IGI

1.20ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 836680016

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 836680016

Diamond specifications and retailer prices

From $3,895 CAD
As of November 2, 2026
Save $3,102 CAD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,997 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 836680016. Listed at 4 retailers as of November 2, 2026, with prices from $3,895 to $6,997, a $3,102 spread on the same certified stone. MOH London lists it at $6,997. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 836680016
Dimensions9.65 × 5.45 × 3.77 mm
L/W Ratio1.77
Girdle conditionFaceted
Top View
9.65 mm5.45 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 836680016
Side View
Table 64.0%Crown 42.8°Girdle: THK-VTKPavilion 42.1°CuletDepth 69.2%

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 2
Current: $6,997 CAD|Low: $3,893 CAD|High: $7,117 CAD|Avg: $4,801 CAD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$3,895 CAD
Retailer 3$3,917 CAD
Retailer 4$4,164 CAD
MOH London$6,997 CAD

28 data points across 4 retailers

4 retailers$3,895 CAD to $6,997 CAD

A
Cheapest Retailer
-
$3,895 CAD
A
Retailer 2
-
$3,917 CAD
View
B+
Retailer 3
-
$4,164 CAD
View
Most Expensive
B
MOH London
932FB9687 · Nov 2
$6,997 CAD
£3,917 GBP
View
3 more retailers have this diamond
Prices start from $3,895 CADSave up to $3,102 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
$3,895 CAD