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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 €17,890 EUR
As of November 5, 2026
Save €11,213 EUR (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €29,103 EUR 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 €17,890 to €29,103, a €11,213 spread on the same certified stone. MOH London lists it at €29,103. 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
Colour
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: €29,103 EUR|Low: €16,808 EUR|High: €29,103 EUR|Avg: €20,754 EUR
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 6, 2026
Retailer 13€16,808 EUR
Retailer 14€17,627 EUR
Retailer 8€17,890 EUR
Retailer 4€19,710 EUR
Retailer 7€19,850 EUR
Retailer 6€19,934 EUR
Retailer 12€20,700 EUR
Retailer 3€21,350 EUR
Retailer 11€21,384 EUR
Retailer 5€21,802 EUR
Retailer 9€22,063 EUR
Retailer 2€25,447 EUR
Retailer 10€26,138 EUR
MOH London€29,103 EUR

28 data points across 14 retailers

9 retailers€17,890 EUR to €29,103 EUR

Retailer 1
-
€16,808 EUR
Price last confirmed 19 days ago
A
Retailer 2
-
€17,890 EUR
View
B+
Retailer 3
-
€19,850 EUR
View
B+
Retailer 4
-
€20,700 EUR
View
B+
Retailer 5
-
€21,384 EUR
View
B+
Retailer 6
-
€22,063 EUR
View
B
Retailer 7
-
€25,447 EUR
View
B
Retailer 8
-
€26,138 EUR
View
Most Expensive
B
MOH London
2ABA46FEC · Nov 2
€29,103 EUR
£25,721 GBP
View
8 more retailers have this diamond
Prices start from €17,890 EURSave up to €11,213 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
3.21ct Round
€17,890 EUR