CaratHunter
Plans
Round|Natural|GIA

3.05ct D SI1 Round Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $45,663 AUD
$32,076 USD
As of October 29, 2026
Save $16,471 AUD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $62,134 AUD at The Diamond Guys · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 5 retailers as of October 29, 2026, with prices from $45,663 to $62,134, a $16,471 spread on the same certified stone. The Diamond Guys lists it at $62,134. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
Dimensions9.21 × 9.26 × 5.75 mm
L/W Ratio1.01
Top View
9.21 mm9.26 mm3.05 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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: Oct 29
Current: $45,663 AUD|Low: $45,663 AUD|High: $65,093 AUD|Avg: $54,845 AUD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
October 17, 2026
Retailer 1$45,663 AUD
Retailer 6$49,674 AUD
Retailer 3$50,593 AUD
Retailer 2$52,702 AUD
Retailer 4$53,123 AUD
Retailer 8$54,810 AUD
Retailer 5$55,707 AUD
Retailer 7$56,918 AUD
The Diamond Guys$62,134 AUD
Retailer 9$62,544 AUD

5 data points across 10 retailers

5 retailers$45,663 AUD to $62,134 AUD

A
Cheapest Retailer
-
$45,663 AUD
$32,076 USD
A
Retailer 2
-
$49,674 AUD
CA$48,462 CAD
View
Retailer 3
-
$52,702 AUD
$37,020 USD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$55,707 AUD
$39,131 USD
View
Most Expensive
B+
The Diamond Guys
1971901563 · Oct 29
$62,134 AUD
$43,646 USD
View
4 more retailers have this diamond
Prices start from $45,663 AUDSave up to $16,471 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
3.05ct Round
$45,663 AUD