Round|Natural|GIA

3.09ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2456631024

Certificate GIA 2456631024

Diamond specifications and retailer prices

From €13,228 EUR
As of November 4, 2026
Save €5,238 EUR (28%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €18,466 EUR 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 €13,228 to €18,466, a €5,238 spread on the same certified stone. NZ Jewellers lists it at €18,466. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €18,466 EUR|Low: €12,976 EUR|High: €25,924 EUR|Avg: €16,417 EUR
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€12,976 EUR
Retailer 11€13,228 EUR
Retailer 6€14,388 EUR
Retailer 5€15,348 EUR
Retailer 8€15,587 EUR
Retailer 4€15,712 EUR
Retailer 10€15,985 EUR
Retailer 7€16,187 EUR
Retailer 2€16,780 EUR
NZ Jewellers€18,466 EUR
Retailer 3€25,924 EUR

26 data points across 11 retailers

10 retailers€13,228 EUR to €18,466 EUR

A
Cheapest Retailer
-
€13,228 EUR
B+
Retailer 2
-
€14,090 EUR
View
Retailer 3
-
€14,388 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€15,348 EUR
View
B+
Retailer 5
-
€15,587 EUR
View
B+
Retailer 6
-
€15,712 EUR
View
B+
Retailer 7
-
€15,985 EUR
View
B
Retailer 8
-
€16,187 EUR
View
B
Retailer 9
-
€16,780 EUR
View
Most Expensive
B
NZ Jewellers
987289b8-fbd6-4892-9cfe-8884fa1f47ee · Nov 5
€18,466 EUR
$20,726 USD
View
9 more retailers have this diamond
Prices start from €13,228 EURSave up to €5,238 EUR

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
€13,228 EUR