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Round|Natural|GIA

3.05ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6431081091

Certificate GIA 6431081091

Diamond specifications and retailer prices

From $48,305 AUD
As of November 1, 2026
Save $18,081 AUD (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $66,385 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct natural round diamond

This 3.05ct 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 6431081091. Listed at 9 retailers as of November 1, 2026, with prices from $48,305 to $66,385, a $18,081 spread on the same certified stone. The Diamond Guys lists it at $66,385. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6431081091
Dimensions9.36 × 9.31 × 5.72 mm
L/W Ratio1.01
Top View
9.36 mm9.31 mm3.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431081091
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 1
Current: $50,866 AUD|Low: $48,305 AUD|High: $66,832 AUD|Avg: $56,197 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$48,305 AUD
Retailer 1$50,866 AUD
Retailer 2$66,192 AUD

46 data points across 3 retailers

9 retailers$48,305 AUD to $66,385 AUD

B+
Cheapest Retailer
-
$48,305 AUD
B+
Retailer 2
-
$50,866 AUD
View
B
Retailer 3
-
$51,770 AUD
View
B
Retailer 4
-
$53,070 AUD
View
B
Retailer 5
-
$59,083 AUD
View
B
Retailer 6
-
$59,083 AUD
View
B
Retailer 7
-
$61,054 AUD
View
B
Retailer 8
-
$66,192 AUD
View
Most Expensive
B
The Diamond Guys
1947483444 · Nov 6
$66,385 AUD
$46,472 USD
View
8 more retailers have this diamond
Prices start from $48,305 AUDSave up to $18,081 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
$48,305 AUD