Marquise|Natural|IGI

3.01ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 831651981

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831651981

Diamond specifications and retailer prices

From $12,821 USD
As of November 6, 2026
Save $7,428 USD (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,249 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.01ct natural marquise diamond

This 3.01ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 831651981. Listed at 10 retailers as of November 4, 2026, with prices from $12,821 to $20,249, a $7,428 spread on the same certified stone. MOH London lists it at $20,249. 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

3.01
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.9°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 831651981
Dimensions14.77 × 7.62 × 4.34 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Top View
14.77 mm7.62 mm3.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 831651981
Side View
Table 62.0%Crown 32.9°Girdle: THK-VTKPavilion 37.2°Culet: NoneDepth 57.0%

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 6
Current: $20,249 USD|Low: $12,821 USD|High: $22,727 USD|Avg: $16,064 USD|-10.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$12,821 USD
Retailer 9$13,323 USD
Retailer 10$13,752 USD
Retailer 7$15,307 USD
Retailer 8$15,546 USD
Retailer 3$15,903 USD
Retailer 5$16,144 USD
Retailer 4$16,288 USD
Retailer 6$18,417 USD
MOH London$20,249 USD

37 data points across 10 retailers

10 retailers$12,821 USD to $20,249 USD

A
Cheapest Retailer
-
$12,821 USD
A
Retailer 2
-
$13,323 USD
View
A
Retailer 3
-
$13,752 USD
View
Final sale: no returns
B+
Retailer 4
-
$15,307 USD
View
B+
Retailer 5
-
$15,546 USD
View
A
Retailer 6
-
$15,903 USD
View
A
Retailer 7
-
$16,144 USD
View
A
Retailer 8
-
$16,288 USD
View
B+
Retailer 9
-
$18,417 USD
View
Most Expensive
B+
MOH London
07C7837AF · Nov 4
$20,249 USD
£15,944 GBP
View
9 more retailers have this diamond
Prices start from $12,821 USDSave up to $7,428 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
3.01ct Marquise
$12,821 USD