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Round|Natural|GIA

3.21ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555441578

Certificate GIA 6555441578

Diamond specifications and retailer prices

From €30,573 EUR
CA$47,439 CAD
As of October 30, 2026
Save €19,811 EUR (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €50,384 EUR at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555441578. Listed at 12 retailers as of October 29, 2026, with prices from €30,573 to €50,384, a €19,811 spread on the same certified stone. MOH London lists it at €50,384. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555441578
Dimensions9.43 × 9.37 × 5.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.43 mm9.37 mm3.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555441578
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €50,384 EUR|Low: €26,827 EUR|High: €50,719 EUR|Avg: €34,295 EUR|-0.7%
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
October 31, 2026
Retailer 5€26,978 EUR
Retailer 6€28,327 EUR
Retailer 10€30,573 EUR
Retailer 3€30,764 EUR
Retailer 14€32,161 EUR
Retailer 2€32,399 EUR
Retailer 4€33,799 EUR
Retailer 8€33,799 EUR
Retailer 11€33,990 EUR
Retailer 9€34,926 EUR
Retailer 12€37,912 EUR
Retailer 7€38,169 EUR
Retailer 13€38,252 EUR
MOH London€50,384 EUR

28 data points across 14 retailers

12 retailers€30,573 EUR to €50,384 EUR

B+
Cheapest Retailer
-
€30,573 EUR
CA$47,439 CAD
B+
Retailer 2
-
€30,764 EUR
$34,369 USD
View
B+
Retailer 3
-
€32,161 EUR
$35,930 USD
View
B+
Retailer 4
-
€32,399 EUR
£28,501 GBP
View
B+
Retailer 5
-
€33,799 EUR
$37,760 USD
View
B+
Retailer 6
-
€33,799 EUR
$37,760 USD
View
B+
Retailer 7
-
€33,990 EUR
$37,974 USD
View
B
Retailer 8
-
€34,926 EUR
$39,020 USD
View
B
Retailer 9
-
€37,912 EUR
$42,356 USD
View
B+
Retailer 10
-
€38,169 EUR
View
B
Retailer 11
-
€38,252 EUR
$42,736 USD
View
Most Expensive
B
MOH London
059A526E6 · Oct 29
€50,384 EUR
£44,322 GBP
View
11 more retailers have this diamond
Prices start from €30,573 EURSave up to €19,811 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.

B+
3.21ct Round
€30,573 EUR