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Round|Natural|GIA

3.09ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2456631024

Certificate GIA 2456631024

Diamond specifications and retailer prices

From $21,209 AUD
As of November 4, 2026
Save $8,398 AUD (28%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $29,607 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.09ct natural round diamond

This 3.09ct natural round sits in the three to five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2456631024. Listed at 10 retailers as of November 4, 2026, with prices from $21,209 to $29,607, a $8,398 spread on the same certified stone. NZ Jewellers lists it at $29,607. 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

3.09
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2456631024
Dimensions9.32 × 9.35 × 5.73 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.32 mm9.35 mm3.09 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2456631024
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: Nov 4
Current: $29,607 AUD|Low: $20,805 AUD|High: $41,565 AUD|Avg: $26,322 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$20,805 AUD
Retailer 11$21,209 AUD
Retailer 6$23,069 AUD
Retailer 5$24,607 AUD
Retailer 8$24,992 AUD
Retailer 4$25,192 AUD
Retailer 10$25,629 AUD
Retailer 7$25,953 AUD
Retailer 2$26,904 AUD
NZ Jewellers$29,607 AUD
Retailer 3$41,565 AUD

26 data points across 11 retailers

10 retailers$21,209 AUD to $29,607 AUD

A
Cheapest Retailer
-
$21,209 AUD
B+
Retailer 2
-
$22,592 AUD
View
Retailer 3
-
$23,069 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$24,607 AUD
View
B+
Retailer 5
-
$24,992 AUD
View
B+
Retailer 6
-
$25,192 AUD
View
B+
Retailer 7
-
$25,629 AUD
View
B
Retailer 8
-
$25,953 AUD
View
B
Retailer 9
-
$26,904 AUD
View
Most Expensive
B
NZ Jewellers
987289b8-fbd6-4892-9cfe-8884fa1f47ee · Nov 5
$29,607 AUD
$20,726 USD
View
9 more retailers have this diamond
Prices start from $21,209 AUDSave up to $8,398 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
3.09ct Round
$21,209 AUD