Round|Natural|GIA

3.21ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1493947605

Certificate GIA 1493947605

Diamond specifications and retailer prices

From $27,662 NZD
As of November 4, 2026
Save $6,521 NZD (19%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $38,949 NZD 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $28,710 NZD|Low: $27,395 NZD|High: $38,734 NZD|Avg: $32,566 NZD|-13.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$27,662 NZD
Retailer 7$27,900 NZD
Retailer 4$28,694 NZD
Retailer 1$28,710 NZD
Retailer 5$31,967 NZD
Retailer 2$32,566 NZD
Retailer 8$33,367 NZD
Retailer 3$34,183 NZD

42 data points across 8 retailers

13 retailers$27,662 NZD to $34,183 NZD

A
Cheapest Retailer
-
$27,662 NZD
A
Retailer 2
-
$27,900 NZD
View
B+
Retailer 3
-
$28,694 NZD
View
B+
Retailer 4
-
$28,710 NZD
View
B+
Retailer 5
-
$31,967 NZD
View
B+
Retailer 6
-
$32,566 NZD
View
Retailer 7
-
$32,878 NZD
View
Price last confirmed 53 days ago
Retailer 8
-
$34,141 NZD
View
Price last confirmed 53 days ago
B+
Retailer 9
-
$34,183 NZD
View
Retailer 10
-
$35,035 NZD
View
Price last confirmed 38 days ago
Retailer 11
-
$36,149 NZD
View
Price last confirmed 36 days ago
Retailer 12
-
$37,538 NZD
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
3fee2b49-c1c0-44fa-9964-eb392d633b56 · Sep 15
$38,949 NZD
$21,895 USD
View
Price last confirmed 52 days ago
12 more retailers have this diamond
Prices start from $27,662 NZDSave up to $6,521 NZD

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
$27,662 NZD