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Marquise|Natural|IGI

3.03ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 741518813

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 741518813

Diamond specifications and retailer prices

From $31,426 AUD
As of November 6, 2026
Save $17,694 AUD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $49,120 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural marquise diamond

This 3.03ct 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 741518813. Listed at 14 retailers as of November 4, 2026, with prices from $31,426 to $49,120, a $17,694 spread on the same certified stone. MOH London lists it at $49,120. 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

3.03
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.6°
OriginNatural
Grading LabIGI
CertificateIGI 741518813
Dimensions14.79 × 7.56 × 4.57 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Top View
14.79 mm7.56 mm3.03 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 741518813
Side View
Table 61.0%Crown 35.6°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $49,120 AUD|Low: $31,083 AUD|High: $49,847 AUD|Avg: $38,230 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$31,426 AUD
Retailer 8$32,003 AUD
Retailer 11$33,359 AUD
Retailer 6$34,810 AUD
Retailer 9$36,551 AUD
Retailer 10$37,711 AUD
Retailer 4$38,046 AUD
Retailer 2$38,577 AUD
Retailer 7$39,162 AUD
Retailer 5$44,676 AUD
MOH London$49,120 AUD

46 data points across 11 retailers

14 retailers$31,426 AUD to $49,120 AUD

Retailer 1
-
$26,663 AUD
Price last confirmed 117 days ago
B+
Retailer 2
-
$31,426 AUD
View
B+
Retailer 3
-
$32,003 AUD
View
B+
Retailer 4
-
$33,359 AUD
View
Final sale: no returns
Retailer 5
-
$34,810 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$34,810 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$36,551 AUD
View
B+
Retailer 8
-
$37,711 AUD
View
B+
Retailer 9
-
$38,046 AUD
View
B+
Retailer 10
-
$38,577 AUD
View
B+
Retailer 11
-
$38,721 AUD
View
B+
Retailer 12
-
$39,162 AUD
View
B+
Retailer 13
-
$44,676 AUD
View
Most Expensive
B+
MOH London
442213B92 · Nov 4
$49,120 AUD
£26,575 GBP
View
13 more retailers have this diamond
Prices start from $31,426 AUDSave up to $17,694 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.

B+
3.03ct Marquise
$31,426 AUD