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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 $58,707 USD
£46,226 GBP
As of November 1, 2026
Save $31,481 USD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $90,188 USD 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 $58,707 to $90,188, a $31,481 spread on the same certified stone. MOH London lists it at $90,188. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $90,188 USD|Low: $43,622 USD|High: $91,275 USD|Avg: $65,514 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$43,622 USD
Retailer 2$58,707 USD
Retailer 3$70,070 USD
MOH London$90,188 USD

38 data points across 4 retailers

3 retailers$58,707 USD to $90,188 USD

A
Cheapest Retailer
-
$58,707 USD
£46,226 GBP
B+
Retailer 2
-
$70,070 USD
€66,733 EUR
View
Most Expensive
B
MOH London
DC7918357 · Nov 1
$90,188 USD
£71,014 GBP
View
2 more retailers have this diamond
Prices start from $58,707 USDSave up to $31,481 USD

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
$58,707 USD