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Round|Natural|GIA

3.05ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1A

Certificate GIA 1A

Diamond specifications and retailer prices

From $48,293 AUD
$33,923 USD
As of October 31, 2026
Save $7,864 AUD (14%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $62,912 AUD at Aurelinne · As of September 6, 2026
View at Aurelinne

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of October 31, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.05
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1A
Dimensions9.30 × 9.32 × 5.73 mm
L/W Ratio1.00
Top View
9.30 mm9.32 mm3.05 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1A
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.5%

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: Oct 31
Current: $62,912 AUD|Low: $48,293 AUD|High: $62,912 AUD|Avg: $54,753 AUD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 26, 2026
Retailer 3$48,293 AUD
Retailer 5$51,183 AUD
Retailer 4$55,922 AUD
Retailer 2$56,157 AUD
Aurelinne$62,912 AUD

2 data points across 5 retailers

4 retailers$48,293 AUD to $56,157 AUD

B+
Cheapest Retailer
-
$48,293 AUD
$33,923 USD
B+
Retailer 2
-
$51,183 AUD
$35,953 USD
View
B
Retailer 3
-
$56,157 AUD
$39,447 USD
View
Most Expensive
Aurelinne
9c611cd8-75f8-4bda-ab65-3040b38e93b6 · Sep 6
$62,912 AUD
$44,192 USD
View
Price last confirmed 56 days ago
3 more retailers have this diamond
Prices start from $48,293 AUDSave up to $7,864 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+
3.05ct Round
$48,293 AUD