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4.51ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 743558662

Shape and cutting style on the report: Round brilliant

Certificate IGI 743558662

Diamond specifications and retailer prices

From HK$460,599 HKD
£46,226 GBP
As of November 2, 2026
Save HK$246,987 HKD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$707,586 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 4.51ct natural round diamond

This 4.51ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 743558662. Listed at 3 retailers as of November 1, 2026, with prices from HK$460,599 to HK$707,586, a HK$246,987 spread on the same certified stone. MOH London lists it at HK$707,586. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 743558662
Dimensions10.48 × 10.54 × 6.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.48 mm10.54 mm4.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743558662
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°CuletDepth 62.9%

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 2
Current: HK$707,586 HKD|Low: HK$342,244 HKD|High: HK$716,115 HKD|Avg: HK$515,398 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4HK$342,244 HKD
Retailer 2HK$460,599 HKD
Retailer 3HK$547,307 HKD
MOH LondonHK$707,586 HKD

38 data points across 4 retailers

3 retailersHK$460,599 HKD to HK$707,586 HKD

A
Cheapest Retailer
-
HK$460,599 HKD
£46,226 GBP
B+
Retailer 2
-
HK$547,307 HKD
€66,437 EUR
View
Most Expensive
B
MOH London
DC7918357 · Nov 1
HK$707,586 HKD
£71,014 GBP
View
2 more retailers have this diamond
Prices start from HK$460,599 HKDSave up to HK$246,987 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
4.51ct Round
HK$460,599 HKD