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3.18ct M SI1 Round Natural Diamond

EX • M/SI1 • HRD 240000067256

Certificate HRD 240000067256

Diamond specifications and retailer prices

From $13,262 CAD
As of November 5, 2026
Save $12,495 CAD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $25,757 CAD 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 $13,262 to $25,757, a $12,495 spread on the same certified stone. NZ Jewellers lists it at $25,757. 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
Color
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: $25,757 CAD|Low: $13,262 CAD|High: $25,757 CAD|Avg: $18,123 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$13,262 CAD
Retailer 9$15,499 CAD
Retailer 4$15,826 CAD
Retailer 8$17,058 CAD
Retailer 5$18,196 CAD
Retailer 3$18,452 CAD
Retailer 6$18,480 CAD
Retailer 7$19,191 CAD
NZ Jewellers$25,757 CAD

44 data points across 9 retailers

8 retailers$13,262 CAD to $25,757 CAD

A
Cheapest Retailer
-
$13,262 CAD
B+
Retailer 2
-
$15,826 CAD
View
Retailer 3
-
$17,058 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$18,196 CAD
View
A
Retailer 5
-
$18,452 CAD
View
B+
Retailer 6
-
$18,480 CAD
View
B+
Retailer 7
-
$19,191 CAD
View
Most Expensive
B
NZ Jewellers
bc6e3633-406c-408e-83f6-801bcb065360 · Nov 2
$25,757 CAD
$18,443 USD
View
7 more retailers have this diamond
Prices start from $13,262 CADSave up to $12,495 CAD

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
$13,262 CAD