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Round|Natural|GIA

3.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2557749121

Certificate GIA 2557749121

Diamond specifications and retailer prices

From $33,421 AUD
As of November 4, 2026
Save $23,193 AUD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $56,614 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 top-tier cut grade and certified by GIA 2557749121. Listed at 12 retailers as of November 4, 2026, with prices from $33,421 to $56,614, a $23,193 spread on the same certified stone. MOH London lists it at $56,614. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557749121
Dimensions9.12 × 9.18 × 5.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
9.12 mm9.18 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557749121
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.8%

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 4
Current: $56,614 AUD|Low: $32,510 AUD|High: $57,450 AUD|Avg: $40,059 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$33,421 AUD
Retailer 4$34,831 AUD
Retailer 10$36,347 AUD
Retailer 2$36,671 AUD
Retailer 8$37,861 AUD
Retailer 6$38,164 AUD
Retailer 7$39,377 AUD
Retailer 9$40,891 AUD
Retailer 3$42,611 AUD
MOH London$56,614 AUD

41 data points across 10 retailers

12 retailers$33,421 AUD to $56,614 AUD

A
Cheapest Retailer
-
$33,421 AUD
A
Retailer 2
-
$34,831 AUD
View
Final sale: no returns
A
Retailer 3
-
$36,671 AUD
View
A
Retailer 4
-
$37,861 AUD
View
A
Retailer 5
-
$38,164 AUD
View
B+
Retailer 6
-
$38,955 AUD
View
B+
Retailer 7
-
$38,955 AUD
View
B+
Retailer 8
-
$39,377 AUD
View
B+
Retailer 9
-
$40,255 AUD
View
B+
Retailer 10
-
$40,891 AUD
View
B+
Retailer 11
-
$42,611 AUD
View
Most Expensive
B
MOH London
0242D05CB · Nov 4
$56,614 AUD
£31,206 GBP
View
11 more retailers have this diamond
Prices start from $33,421 AUDSave up to $23,193 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
$33,421 AUD