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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 €52,548 EUR
£46,226 GBP
As of November 1, 2026
Save €28,178 EUR (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €80,726 EUR 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 €52,548 to €80,726, a €28,178 spread on the same certified stone. MOH London lists it at €80,726. 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
Color
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 1
Current: €80,726 EUR|Low: €39,045 EUR|High: €81,699 EUR|Avg: €58,805 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4€39,045 EUR
Retailer 2€52,548 EUR
Retailer 3€62,719 EUR
MOH London€80,726 EUR

37 data points across 4 retailers

3 retailers€52,548 EUR to €80,726 EUR

A
Cheapest Retailer
-
€52,548 EUR
£46,226 GBP
B+
Retailer 2
-
€62,719 EUR
View
Most Expensive
B
MOH London
DC7918357 · Nov 1
€80,726 EUR
£71,014 GBP
View
2 more retailers have this diamond
Prices start from €52,548 EURSave up to €28,178 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
4.51ct Round
€52,548 EUR