Round|Natural|GIA

3.21ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1493947605

Certificate GIA 1493947605

Diamond specifications and retailer prices

From $21,717 CAD
As of November 4, 2026
Save $5,120 CAD (19%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $30,579 CAD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 3.21ct natural round diamond

This 3.21ct 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 1493947605. Listed at 13 retailers as of November 4, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.21
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1493947605
Dimensions9.49 × 9.53 × 5.83 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Cert comments
Additional clouds pinpoints internal graining and surface graining are not shown.
Top View
9.49 mm9.53 mm3.21 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1493947605
Side View
Table 56.0%Crown 34.5°GirdlePavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $22,540 CAD|Low: $21,508 CAD|High: $30,410 CAD|Avg: $25,567 CAD|-13.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$21,717 CAD
Retailer 7$21,904 CAD
Retailer 4$22,527 CAD
Retailer 1$22,540 CAD
Retailer 5$25,097 CAD
Retailer 2$25,568 CAD
Retailer 8$26,196 CAD
Retailer 3$26,837 CAD

42 data points across 8 retailers

13 retailers$21,717 CAD to $26,837 CAD

A
Cheapest Retailer
-
$21,717 CAD
A
Retailer 2
-
$21,904 CAD
View
B+
Retailer 3
-
$22,527 CAD
View
B+
Retailer 4
-
$22,540 CAD
View
B+
Retailer 5
-
$25,097 CAD
View
B+
Retailer 6
-
$25,568 CAD
View
Retailer 7
-
$25,812 CAD
View
Price last confirmed 53 days ago
Retailer 8
-
$26,804 CAD
View
Price last confirmed 53 days ago
B+
Retailer 9
-
$26,837 CAD
View
Retailer 10
-
$27,506 CAD
View
Price last confirmed 38 days ago
Retailer 11
-
$28,380 CAD
View
Price last confirmed 36 days ago
Retailer 12
-
$29,471 CAD
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
3fee2b49-c1c0-44fa-9964-eb392d633b56 · Sep 15
$30,579 CAD
$21,895 USD
View
Price last confirmed 52 days ago
12 more retailers have this diamond
Prices start from $21,717 CADSave up to $5,120 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
3.21ct Round
$21,717 CAD