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Round|Natural|IGI

3.03ct I SI2 Round Natural Diamond

VG • I/SI2 • IGI 803653345

Shape and cutting style on the report: Round brilliant

Certificate IGI 803653345

Diamond specifications and retailer prices

From $18,306 AUD
As of November 6, 2026
Save $15,024 AUD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $33,330 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round 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 803653345. Listed at 4 retailers as of November 4, 2026, with prices from $18,306 to $33,330, a $15,024 spread on the same certified stone. MOH London lists it at $33,330. 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 angle37.6°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 803653345
Dimensions9.01 × 9.06 × 5.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.01 mm9.06 mm3.03 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803653345
Side View
Table 55.0%Crown 37.6°Girdle: Slightly ThickPavilion 40°CuletDepth 64.0%

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: $33,330 AUD|Low: $18,306 AUD|High: $34,836 AUD|Avg: $25,196 AUD|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$18,306 AUD
Retailer 4$21,599 AUD
Retailer 3$25,800 AUD
MOH London$33,330 AUD

46 data points across 4 retailers

4 retailers$18,306 AUD to $33,330 AUD

A
Cheapest Retailer
-
$18,306 AUD
B+
Retailer 2
-
$21,599 AUD
View
B+
Retailer 3
-
$25,800 AUD
View
Most Expensive
B+
MOH London
C89161A79 · Nov 4
$33,330 AUD
£18,372 GBP
View
3 more retailers have this diamond
Prices start from $18,306 AUDSave up to $15,024 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
3.03ct Round
$18,306 AUD