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Round|Natural|GIA

3.06ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2406178244

Certificate GIA 2406178244

Diamond specifications and retailer prices

From $69,653 AUD
$48,928 USD
As of October 28, 2026
Save $1,128 AUD (2%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $89,102 AUD at Yorxs · As of October 23, 2026
View at Yorxs

About this 3.06ct natural round diamond

This 3.06ct 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 2406178244. Listed at 3 retailers as of October 28, 2026, with a relatively tight 2% 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

3.06
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
OriginNatural
Grading LabGIA
CertificateGIA 2406178244
Dimensions9.20 × 9.24 × 5.75 mm
L/W Ratio1.00
Top View
9.20 mm9.24 mm3.06 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2406178244
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilionCuletDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $70,781 AUD|Low: $69,653 AUD|High: $89,102 AUD|Avg: $76,275 AUD
Retailer 1
Retailer 2
Yorxs
October 23, 2026
Retailer 2$69,653 AUD
Retailer 1$70,781 AUD
Yorxs$89,102 AUD

5 data points across 3 retailers

3 retailers$69,653 AUD to $70,781 AUD

B+
Cheapest Retailer
-
$69,653 AUD
$48,928 USD
B+
Retailer 2
-
$70,781 AUD
$49,720 USD
View
Most Expensive
Yorxs
TC8791 · Oct 23
$89,102 AUD
€59,609 EUR
View
Price last confirmed 7 days ago
2 more retailers have this diamond
Prices start from $69,653 AUDSave up to $1,128 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+
3.06ct Round
$69,653 AUD