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Round|Natural|GIA

3.21ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1545302098

Certificate GIA 1545302098

Diamond specifications and retailer prices

From $28,044 CAD
As of November 5, 2026
Save $17,577 CAD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $45,621 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545302098. Listed at 9 retailers as of November 2, 2026, with prices from $28,044 to $45,621, a $17,577 spread on the same certified stone. MOH London lists it at $45,621. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1545302098
Dimensions9.35 × 9.39 × 5.84 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
9.35 mm9.39 mm3.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545302098
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°CuletDepth 62.3%

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 5
Current: $45,621 CAD|Low: $26,347 CAD|High: $45,621 CAD|Avg: $32,460 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 13$26,347 CAD
Retailer 14$27,632 CAD
Retailer 8$28,044 CAD
Retailer 4$30,897 CAD
Retailer 7$31,116 CAD
Retailer 6$31,248 CAD
Retailer 12$32,449 CAD
Retailer 3$33,467 CAD
Retailer 11$33,520 CAD
Retailer 5$34,175 CAD
Retailer 9$34,584 CAD
Retailer 2$39,890 CAD
Retailer 10$40,972 CAD
MOH London$45,621 CAD

27 data points across 14 retailers

9 retailers$28,044 CAD to $45,621 CAD

Retailer 1
-
$26,347 CAD
Price last confirmed 19 days ago
A
Retailer 2
-
$28,044 CAD
View
B+
Retailer 3
-
$31,116 CAD
View
B+
Retailer 4
-
$32,449 CAD
View
B+
Retailer 5
-
$33,520 CAD
View
B+
Retailer 6
-
$34,584 CAD
View
B
Retailer 7
-
$39,890 CAD
View
B
Retailer 8
-
$40,972 CAD
View
Most Expensive
B
MOH London
2ABA46FEC · Nov 2
$45,621 CAD
£25,721 GBP
View
8 more retailers have this diamond
Prices start from $28,044 CADSave up to $17,577 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
$28,044 CAD