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Round|Natural|GIA

3.00ct E SI1 Round Natural Diamond

ID • E/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $75,822 AUD
As of November 4, 2026
Save $11,642 AUD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $87,464 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $75,822 to $87,464, a $11,642 spread on the same certified stone. Blue Nile lists it at $87,464. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions9.18 × 9.23 × 5.77 mm
L/W Ratio1.01
Top View
9.18 mm9.23 mm3.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.7%

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: Nov 4
Current: $87,464 AUD|Low: $75,071 AUD|High: $87,464 AUD|Avg: $81,099 AUD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$75,822 AUD
Retailer 3$80,623 AUD
Blue Nile$87,464 AUD

3 data points across 3 retailers

3 retailers$75,822 AUD to $87,464 AUD

B+
Cheapest Retailer
-
$75,822 AUD
B+
Retailer 2
-
$80,623 AUD
View
Most Expensive
B
Blue Nile
5626950 · Nov 5
$87,464 AUD
$61,228 USD
View
2 more retailers have this diamond
Prices start from $75,822 AUDSave up to $11,642 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+
3.00ct Round
$75,822 AUD