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3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 635461965

Shape and cutting style on the report: Round brilliant

Certificate IGI 635461965

Diamond specifications and retailer prices

From €18,450 EUR
$20,613 USD
As of October 30, 2026
Save €15,081 EUR (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €33,531 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 635461965. Listed at 16 retailers as of October 29, 2026, with prices from €18,450 to €33,531, a €15,081 spread on the same certified stone. MOH London lists it at €33,531. 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

3.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 635461965
Dimensions9.60 × 9.51 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.60 mm9.51 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635461965
Side View
Table 57.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.2%

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: Oct 30
Current: €33,531 EUR|Low: €17,886 EUR|High: €33,754 EUR|Avg: €22,242 EUR|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7€18,450 EUR
Retailer 5€18,631 EUR
Retailer 8€19,632 EUR
Retailer 10€19,762 EUR
Retailer 9€19,795 EUR
Retailer 6€20,465 EUR
Retailer 3€20,892 EUR
Retailer 11€22,633 EUR
Retailer 12€23,503 EUR
Retailer 2€25,020 EUR
Retailer 4€26,280 EUR
MOH London€33,531 EUR

30 data points across 12 retailers

16 retailers€18,450 EUR to €33,531 EUR

A
Cheapest Retailer
-
€18,450 EUR
$20,613 USD
Retailer 2
-
€18,631 EUR
$20,815 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
€19,632 EUR
$21,933 USD
View
A
Retailer 4
-
€19,762 EUR
$22,078 USD
View
A
Retailer 5
-
€19,795 EUR
$22,116 USD
View
A
Retailer 6
-
€20,465 EUR
$22,864 USD
View
Final sale: no returns
Retailer 7
-
€21,356 EUR
$23,859 USD
View
Price last confirmed 19 days ago
Retailer 8
-
€22,423 EUR
$25,051 USD
View
Price last confirmed 32 days ago
Retailer 9
-
€22,633 EUR
$25,286 USD
View
Price last confirmed 42 days ago
Retailer 10
-
€23,135 EUR
$25,847 USD
View
Price last confirmed 24 days ago
Retailer 11
-
€23,503 EUR
$26,258 USD
View
Price last confirmed 42 days ago
Retailer 12
-
€24,025 EUR
$26,841 USD
View
Price last confirmed 22 days ago
A
Retailer 13
-
€25,020 EUR
View
Retailer 14
-
€29,597 EUR
$33,066 USD
View
Price last confirmed 42 days ago
Retailer 15
-
€30,254 EUR
$33,800 USD
View
Price last confirmed 28 days ago
Most Expensive
B+
MOH London
126A1AAD9 · Oct 29
€33,531 EUR
£29,497 GBP
View
15 more retailers have this diamond
Prices start from €18,450 EURSave up to €15,081 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
3.50ct Round
€18,450 EUR