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4.56ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 588362937

Shape and cutting style on the report: Round brilliant

Certificate IGI 588362937

Diamond specifications and retailer prices

From €22,675 EUR
As of November 4, 2026
Save €13,999 EUR (38%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €36,673 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 4.56ct natural round diamond

This 4.56ct 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 588362937. Listed at 16 retailers as of November 4, 2026, with prices from €22,675 to €36,673, a €13,999 spread on the same certified stone. MOH London lists it at €36,673. 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

4.56
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 588362937
Dimensions10.44 × 10.36 × 6.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.44 mm10.36 mm4.56 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 588362937
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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 4
Current: €36,673 EUR|Low: €22,675 EUR|High: €37,215 EUR|Avg: €27,372 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7€22,675 EUR
Retailer 6€23,904 EUR
Retailer 5€24,324 EUR
Retailer 11€24,526 EUR
Retailer 9€25,989 EUR
Retailer 8€27,289 EUR
Retailer 10€28,155 EUR
Retailer 4€28,346 EUR
Retailer 3€29,238 EUR
Retailer 2€29,301 EUR
MOH London€36,673 EUR

36 data points across 11 retailers

16 retailers€22,675 EUR to €36,673 EUR

A
Cheapest Retailer
-
€22,675 EUR
A
Retailer 2
-
€23,381 EUR
View
A
Retailer 3
-
€23,662 EUR
View
A
Retailer 4
-
€23,904 EUR
View
A
Retailer 5
-
€24,324 EUR
View
A
Retailer 6
-
€24,526 EUR
View
A
Retailer 7
-
€25,267 EUR
View
Retailer 8
-
€25,989 EUR
View
Price last confirmed 21 days ago
B+
Retailer 9
-
€27,273 EUR
View
B+
Retailer 10
-
€27,289 EUR
View
B+
Retailer 11
-
€28,155 EUR
View
A
Retailer 12
-
€28,346 EUR
View
B+
Retailer 13
-
€28,922 EUR
View
B+
Retailer 14
-
€29,238 EUR
View
A
Retailer 15
-
€29,301 EUR
View
Most Expensive
B+
MOH London
D94B529EA · Nov 4
€36,673 EUR
£32,411 GBP
View
15 more retailers have this diamond
Prices start from €22,675 EURSave up to €13,999 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
4.56ct Round
€22,675 EUR