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4.50ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 737525859

Shape and cutting style on the report: Round brilliant

Certificate IGI 737525859

Diamond specifications and retailer prices

From €43,713 EUR
$48,836 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: €111,376 EUR at Moon Ocean · As of October 7, 2026
View at Moon Ocean

About this 4.5ct natural round diamond

This 4.5ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 737525859. Listed at 2 retailers as of November 2, 2026. 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

4.50
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737525859
Dimensions10.47 × 10.53 × 6.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.47 mm10.53 mm4.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737525859
Side View
Table 56.0%Crown 36.4°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €111,376 EUR|Low: €29,700 EUR|High: €111,376 EUR|Avg: €53,714 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 8, 2026
Retailer 10€29,700 EUR
Retailer 6€36,573 EUR
Retailer 7€40,100 EUR
Retailer 11€41,034 EUR
Retailer 3€43,713 EUR
Retailer 8€44,076 EUR
Retailer 9€45,663 EUR
Retailer 12€48,629 EUR
Retailer 4€50,687 EUR
Retailer 2€103,280 EUR
Retailer 5€110,627 EUR
Moon Ocean€111,376 EUR

2 data points across 12 retailers

2 retailers

A
Cheapest Retailer
-
€43,713 EUR
$48,836 USD
Most Expensive
Moon Ocean
NVN-11FDFDEF1-859 · Oct 7
€111,376 EUR
£97,977 GBP
View
Price last confirmed 26 days ago
1 more retailer has this diamond
Prices start from €43,713 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
4.50ct Round
€43,713 EUR