CaratHunter
Plans
Round|Natural|IGI

3.21ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 826667269

Shape and cutting style on the report: Round brilliant

Certificate IGI 826667269

Diamond specifications and retailer prices

From €11,761 EUR
$13,140 USD
As of October 31, 2026
Save €6,424 EUR (35%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €18,186 EUR at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826667269. Listed at 17 retailers as of October 31, 2026, with prices from €11,761 to €18,186, a €6,424 spread on the same certified stone. MOH London lists it at €18,186. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.9°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 826667269
Dimensions9.37 × 9.41 × 5.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.37 mm9.41 mm3.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 826667269
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €18,186 EUR|Low: €11,761 EUR|High: €19,077 EUR|Avg: €14,027 EUR|-4.7%
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
Retailer 15
November 1, 2026
Retailer 14€11,761 EUR
Retailer 13€11,816 EUR
Retailer 12€12,317 EUR
Retailer 8€12,417 EUR
Retailer 3€12,612 EUR
Retailer 2€12,751 EUR
Retailer 4€12,853 EUR
Retailer 11€13,710 EUR
Retailer 6€13,924 EUR
Retailer 5€14,273 EUR
Retailer 7€14,459 EUR
Retailer 9€14,606 EUR
Retailer 10€15,094 EUR
Retailer 15€16,496 EUR
MOH London€18,186 EUR

35 data points across 15 retailers

17 retailers€11,761 EUR to €18,186 EUR

A
Cheapest Retailer
-
€11,761 EUR
$13,140 USD
A
Retailer 2
-
€11,816 EUR
$13,201 USD
View
A
Retailer 3
-
€12,317 EUR
$13,761 USD
View
Final sale: no returns
A
Retailer 4
-
€12,417 EUR
£10,923 GBP
View
A
Retailer 5
-
€12,612 EUR
$14,090 USD
View
A
Retailer 6
-
€12,751 EUR
£11,217 GBP
View
A
Retailer 7
-
€12,853 EUR
$14,360 USD
View
A
Retailer 8
-
€13,710 EUR
$15,317 USD
View
A
Retailer 9
-
€13,924 EUR
$15,556 USD
View
A
Retailer 10
-
€14,273 EUR
$15,946 USD
View
Retailer 11
-
€14,459 EUR
$16,154 USD
View
Price last confirmed 62 days ago
A
Retailer 12
-
€14,459 EUR
$16,154 USD
View
A
Retailer 13
-
€14,606 EUR
View
A
Retailer 14
-
€15,094 EUR
ZAR 272,433 ZAR
View
B+
Retailer 15
-
€16,496 EUR
$18,429 USD
View
Retailer 16
-
€16,496 EUR
$18,429 USD
View
Price last confirmed 64 days ago
Most Expensive
A
MOH London
15A73A5D1 · Nov 1
€18,186 EUR
£15,998 GBP
View
16 more retailers have this diamond
Prices start from €11,761 EURSave up to €6,424 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
€11,761 EUR