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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 HK$199,660 HKD
As of November 4, 2026
Save HK$123,264 HKD (38%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$322,924 HKD 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 HK$199,660 to HK$322,924, a HK$123,264 spread on the same certified stone. MOH London lists it at HK$322,924. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$322,924 HKD|Low: HK$199,660 HKD|High: HK$327,696 HKD|Avg: HK$241,020 HKD|-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 7HK$199,660 HKD
Retailer 6HK$210,487 HKD
Retailer 5HK$214,182 HKD
Retailer 11HK$215,963 HKD
Retailer 9HK$228,844 HKD
Retailer 8HK$240,291 HKD
Retailer 10HK$247,916 HKD
Retailer 4HK$249,603 HKD
Retailer 3HK$257,456 HKD
Retailer 2HK$258,005 HKD
MOH LondonHK$322,924 HKD

36 data points across 11 retailers

16 retailersHK$199,660 HKD to HK$322,924 HKD

A
Cheapest Retailer
-
HK$199,660 HKD
A
Retailer 2
-
HK$205,882 HKD
View
A
Retailer 3
-
HK$208,353 HKD
View
A
Retailer 4
-
HK$210,487 HKD
View
A
Retailer 5
-
HK$214,182 HKD
View
A
Retailer 6
-
HK$215,963 HKD
View
A
Retailer 7
-
HK$222,490 HKD
View
Retailer 8
-
HK$228,844 HKD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
HK$240,149 HKD
View
B+
Retailer 10
-
HK$240,291 HKD
View
B+
Retailer 11
-
HK$247,916 HKD
View
A
Retailer 12
-
HK$249,603 HKD
View
B+
Retailer 13
-
HK$254,671 HKD
View
B+
Retailer 14
-
HK$257,456 HKD
View
A
Retailer 15
-
HK$258,005 HKD
View
Most Expensive
B+
MOH London
D94B529EA · Nov 4
HK$322,924 HKD
£32,411 GBP
View
15 more retailers have this diamond
Prices start from HK$199,660 HKDSave up to HK$123,264 HKD

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
HK$199,660 HKD