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4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 620407439

Shape and cutting style on the report: Round brilliant

Certificate IGI 620407439

Diamond specifications and retailer prices

From €18,776 EUR
As of November 6, 2026
Save €6,804 EUR (27%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €25,580 EUR at Yorxs · As of November 2, 2026
View at Yorxs

About this 4.02ct natural round diamond

This 4.02ct 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 IGI 620407439. Listed at 2 retailers as of November 2, 2026, with prices from €18,776 to €25,580, a €6,804 spread on the same certified stone. Yorxs lists it at €25,580. 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

4.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 620407439
Dimensions10.12 × 10.21 × 6.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
10.12 mm10.21 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 620407439
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €18,776 EUR|Low: €18,776 EUR|High: €25,694 EUR|Avg: €22,046 EUR|-1.8%
Retailer 1
Yorxs
November 6, 2026
Retailer 1€18,776 EUR
Yorxs€25,580 EUR

44 data points across 2 retailers

2 retailers€18,776 EUR to €25,580 EUR

A
Cheapest Retailer
-
€18,776 EUR
Most Expensive
B+
Yorxs
SJ-3927 · Nov 2
€25,580 EUR
View
1 more retailer has this diamond
Prices start from €18,776 EURSave up to €6,804 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
4.02ct Round
€18,776 EUR