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Round|Natural|GIA

3.06ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552448681

Certificate GIA 6552448681

Diamond specifications and retailer prices

From $42,900 AUD
$30,135 USD
As of October 31, 2026
Save $27,036 AUD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $78,850 AUD at Carbon Sparkle · As of October 4, 2026
View at Carbon Sparkle

About this 3.06ct natural round diamond

This 3.06ct 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 6552448681. Listed at 10 retailers as of October 31, 2026, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552448681
Dimensions9.32 × 9.24 × 5.76 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Knot
Top View
9.32 mm9.24 mm3.06 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552448681
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: $52,852 AUD|Low: $37,317 AUD|High: $115,041 AUD|Avg: $56,665 AUD|+21.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$41,048 AUD
Retailer 13$42,634 AUD
Retailer 4$42,900 AUD
Retailer 7$45,192 AUD
Retailer 12$45,212 AUD
Retailer 9$47,400 AUD
Retailer 1$52,852 AUD
Retailer 8$52,870 AUD
Retailer 11$53,343 AUD
Retailer 3$65,961 AUD
Retailer 6$69,936 AUD
Retailer 2$72,784 AUD
Retailer 5$76,153 AUD

24 data points across 13 retailers

10 retailers$42,900 AUD to $69,936 AUD

B+
Cheapest Retailer
-
$42,900 AUD
$30,135 USD
B+
Retailer 2
-
$45,192 AUD
£24,996 GBP
View
Retailer 3
-
$45,212 AUD
$31,759 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$46,646 AUD
$32,766 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$47,400 AUD
$33,296 USD
View
B
Retailer 6
-
$52,852 AUD
€35,358 EUR
View
B
Retailer 7
-
$52,870 AUD
$37,138 USD
View
Retailer 8
-
$53,343 AUD
$37,471 USD
View
Price last confirmed 15 days ago
B
Retailer 9
-
$69,936 AUD
£38,682 GBP
View
Most Expensive
Carbon Sparkle
42416a8e-d931-4eca-a072-3b2c3d7da106 · Oct 4
$78,850 AUD
$55,388 USD
View
Price last confirmed 28 days ago
9 more retailers have this diamond
Prices start from $42,900 AUDSave up to $27,036 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
$42,900 AUD