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Round|Natural|GIA

3.05ct F SI1 Round Natural Diamond

ID • F/SI1 • GIA 01

Certificate GIA 01

Diamond specifications and retailer prices

From $66,661 AUD
$46,826 USD
As of November 2, 2026
Save $13,585 AUD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $80,246 AUD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of October 30, 2026, with prices from $66,661 to $80,246, a $13,585 spread on the same certified stone. Diamond Exchange Canada lists it at $80,246. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 01
Dimensions9.18 × 9.23 × 5.74 mm
L/W Ratio1.01
Top View
9.18 mm9.23 mm3.05 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 01
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.4%

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 2
Current: $80,246 AUD|Low: $66,037 AUD|High: $80,246 AUD|Avg: $72,653 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
September 23, 2026
Retailer 2$66,661 AUD
Retailer 4$71,051 AUD
Retailer 3$76,134 AUD
Diamond Exchange Canada$80,246 AUD

4 data points across 4 retailers

4 retailers$66,661 AUD to $80,246 AUD

B+
Cheapest Retailer
-
$66,661 AUD
$46,826 USD
B+
Retailer 2
-
$71,051 AUD
$49,909 USD
View
B
Retailer 3
-
$76,134 AUD
$53,480 USD
View
Most Expensive
B
Diamond Exchange Canada
1955455487 · Oct 30
$80,246 AUD
CA$78,289 CAD
View
3 more retailers have this diamond
Prices start from $66,661 AUDSave up to $13,585 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
$66,661 AUD