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Round|Natural|IGI

4.50ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 839689480

Shape and cutting style on the report: Round brilliant

Certificate IGI 839689480

Diamond specifications and retailer prices

From $65,194 AUD
$45,795 USD
As of November 1, 2026
Save $42,126 AUD (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $107,319 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 4.5ct natural round diamond

This 4.5ct 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 839689480. Listed at 4 retailers as of October 26, 2026, with prices from $65,194 to $107,319, a $42,126 spread on the same certified stone. MOH London lists it at $107,319. 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

4.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 839689480
Dimensions10.54 × 10.61 × 6.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
10.54 mm10.61 mm4.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839689480
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°CuletDepth 61.4%

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 1
Current: $107,319 AUD|Low: $65,194 AUD|High: $114,154 AUD|Avg: $89,100 AUD|-6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$65,194 AUD
Retailer 2$77,488 AUD
Retailer 3$82,903 AUD
Retailer 4$95,789 AUD
MOH London$107,319 AUD

31 data points across 5 retailers

4 retailers$65,194 AUD to $107,319 AUD

A
Cheapest Retailer
-
$65,194 AUD
$45,795 USD
A
Retailer 2
-
$77,488 AUD
£42,859 GBP
View
A
Retailer 3
-
$82,903 AUD
€55,462 EUR
View
Most Expensive
B+
MOH London
7EFA2308F · Oct 26
$107,319 AUD
£59,359 GBP
View
3 more retailers have this diamond
Prices start from $65,194 AUDSave up to $42,126 AUD

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
4.50ct Round
$65,194 AUD