Round|Natural|HRD

3.18ct M SI1 Round Natural Diamond

EX • M/SI1 • HRD 240000067256

Certificate HRD 240000067256

Diamond specifications and retailer prices

From €8,460 EUR
As of November 5, 2026
Save €7,971 EUR (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €16,432 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 3.18ct natural round diamond

This 3.18ct 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 HRD 240000067256. Listed at 8 retailers as of November 2, 2026, with prices from €8,460 to €16,432, a €7,971 spread on the same certified stone. NZ Jewellers lists it at €16,432. 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

3.18
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.6°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 240000067256
Dimensions9.28 × 9.35 × 5.86 mm
L/W Ratio1.01
Top View
9.28 mm9.35 mm3.18 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 240000067256
Side View
Table 57.0%Crown 35.6°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.9%

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 5
Current: €16,432 EUR|Low: €8,460 EUR|High: €16,432 EUR|Avg: €11,561 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2€8,460 EUR
Retailer 9€9,888 EUR
Retailer 4€10,096 EUR
Retailer 8€10,882 EUR
Retailer 5€11,608 EUR
Retailer 3€11,771 EUR
Retailer 6€11,789 EUR
Retailer 7€12,243 EUR
NZ Jewellers€16,432 EUR

44 data points across 9 retailers

8 retailers€8,460 EUR to €16,432 EUR

A
Cheapest Retailer
-
€8,460 EUR
B+
Retailer 2
-
€10,096 EUR
View
Retailer 3
-
€10,882 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€11,608 EUR
View
A
Retailer 5
-
€11,771 EUR
View
B+
Retailer 6
-
€11,789 EUR
View
B+
Retailer 7
-
€12,243 EUR
View
Most Expensive
B
NZ Jewellers
bc6e3633-406c-408e-83f6-801bcb065360 · Nov 2
€16,432 EUR
$18,443 USD
View
7 more retailers have this diamond
Prices start from €8,460 EURSave up to €7,971 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
3.18ct Round
€8,460 EUR