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 $2,769 USD
As of November 2, 2026
Save $2,206 USD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,975 USD 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 $2,769 to $4,975, a $2,206 spread on the same certified stone. MOH London lists it at $4,975. 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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Price History

Last verified: Nov 2
Current: $4,975 USD|Low: $2,768 USD|High: $5,060 USD|Avg: $3,413 USD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$2,769 USD
Retailer 3$2,785 USD
Retailer 4$2,960 USD
MOH London$4,975 USD

28 data points across 4 retailers

4 retailers$2,769 USD to $4,975 USD

A
Cheapest Retailer
-
$2,769 USD
A
Retailer 2
-
$2,785 USD
View
B+
Retailer 3
-
$2,960 USD
View
Most Expensive
B
MOH London
932FB9687 · Nov 2
$4,975 USD
£3,917 GBP
View
3 more retailers have this diamond
Prices start from $2,769 USDSave up to $2,206 USD

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
$2,769 USD