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Marquise|Natural|IGI

3.05ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 841693921

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 841693921

Diamond specifications and retailer prices

From $28,705 AUD
As of November 6, 2026
Save $22,990 AUD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $51,695 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.05ct natural marquise diamond

This 3.05ct 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 841693921. Listed at 10 retailers as of November 4, 2026, with prices from $28,705 to $51,695, a $22,990 spread on the same certified stone. MOH London lists it at $51,695. 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

3.05
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle33.4°
OriginNatural
Grading LabIGI
CertificateIGI 841693921
Dimensions14.88 × 7.34 × 4.53 mm
L/W Ratio2.03
Girdle conditionFaceted
Top View
14.88 mm7.34 mm3.05 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 841693921
Side View
Table 60.0%Crown 43.2°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $51,695 AUD|Low: $28,705 AUD|High: $53,887 AUD|Avg: $39,442 AUD|-4.1%
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$28,705 AUD
Retailer 4$32,033 AUD
Retailer 9$34,107 AUD
Retailer 6$35,109 AUD
Retailer 7$38,466 AUD
Retailer 8$39,687 AUD
Retailer 3$40,600 AUD
Retailer 10$41,214 AUD
Retailer 5$47,018 AUD
MOH London$51,695 AUD

28 data points across 10 retailers

10 retailers$28,705 AUD to $51,695 AUD

A
Cheapest Retailer
-
$28,705 AUD
Retailer 2
-
$32,033 AUD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$34,107 AUD
View
B+
Retailer 4
-
$35,109 AUD
View
Final sale: no returns
B+
Retailer 5
-
$38,466 AUD
View
B+
Retailer 6
-
$39,687 AUD
View
B+
Retailer 7
-
$40,600 AUD
View
B+
Retailer 8
-
$41,214 AUD
View
B+
Retailer 9
-
$47,018 AUD
View
Most Expensive
B+
MOH London
7D0E94397 · Nov 4
$51,695 AUD
£27,968 GBP
View
9 more retailers have this diamond
Prices start from $28,705 AUDSave up to $22,990 AUD

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
3.05ct Marquise
$28,705 AUD