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Round|Natural|GIA

3.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 260000146824

Certificate GIA 260000146824

Diamond specifications and retailer prices

From $26,127 AUD
As of November 5, 2026
Save $21,056 AUD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $47,183 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 3ct natural round diamond

This 3ct 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 260000146824. Listed at 6 retailers as of November 5, 2026, with prices from $26,127 to $47,183, a $21,056 spread on the same certified stone. Blue Nile lists it at $47,183. 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

3.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.3°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 260000146824
Dimensions9.12 × 9.17 × 5.78 mm
L/W Ratio1.01
Girdle conditionMedium
Top View
9.12 mm9.17 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 260000146824
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $47,183 AUD|Low: $26,127 AUD|High: $54,279 AUD|Avg: $38,966 AUD|+0.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 2$26,127 AUD
Retailer 5$27,780 AUD
Retailer 4$31,644 AUD
Retailer 3$37,912 AUD
Retailer 6$38,912 AUD
Blue Nile$47,183 AUD
Retailer 7$54,279 AUD

11 data points across 7 retailers

6 retailers$26,127 AUD to $47,183 AUD

A
Cheapest Retailer
-
$26,127 AUD
A
Retailer 2
-
$27,780 AUD
View
A
Retailer 3
-
$31,644 AUD
View
B+
Retailer 4
-
$37,912 AUD
View
Retailer 5
-
$38,912 AUD
View
Price last confirmed 16 days ago
Most Expensive
B+
Blue Nile
29836101 · Nov 5
$47,183 AUD
$33,030 USD
View
5 more retailers have this diamond
Prices start from $26,127 AUDSave up to $21,056 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
3.00ct Round
$26,127 AUD