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4.50ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 842616166

Shape and cutting style on the report: Round brilliant

Certificate IGI 842616166

Diamond specifications and retailer prices

From €49,305 EUR
$55,084 USD
As of November 1, 2026
Save €27,674 EUR (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €76,979 EUR at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 842616166. Listed at 10 retailers as of November 1, 2026, with prices from €49,305 to €76,979, a €27,674 spread on the same certified stone. MOH London lists it at €76,979. 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 angle31.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 842616166
Dimensions10.81 × 10.86 × 6.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeVery Small
Top View
10.81 mm10.86 mm4.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 842616166
Side View
Table 60.0%Crown 31.4°Girdle: MED-STKPavilion 41.7°Culet: Very SmallDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €76,979 EUR|Low: €49,305 EUR|High: €77,392 EUR|Avg: €56,171 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8€49,305 EUR
Retailer 7€49,873 EUR
Retailer 2€50,104 EUR
Retailer 9€51,344 EUR
Retailer 6€52,649 EUR
Retailer 5€56,674 EUR
Retailer 3€57,745 EUR
Retailer 10€61,208 EUR
Retailer 4€61,768 EUR
MOH London€76,979 EUR

7 data points across 10 retailers

10 retailers€49,305 EUR to €76,979 EUR

B+
Cheapest Retailer
-
€49,305 EUR
$55,084 USD
B+
Retailer 2
-
€49,873 EUR
$55,718 USD
View
Final sale: no returns
B+
Retailer 3
-
€50,104 EUR
£44,076 GBP
View
B+
Retailer 4
-
€51,344 EUR
$57,362 USD
View
B+
Retailer 5
-
€52,649 EUR
$58,820 USD
View
B+
Retailer 6
-
€56,674 EUR
$63,316 USD
View
B+
Retailer 7
-
€57,745 EUR
View
B
Retailer 8
-
€61,208 EUR
$68,382 USD
View
B
Retailer 9
-
€61,768 EUR
ZAR 1,114,828 ZAR
View
Most Expensive
B
MOH London
9BCA3037C · Nov 1
€76,979 EUR
£67,718 GBP
View
9 more retailers have this diamond
Prices start from €49,305 EURSave up to €27,674 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.

B+
4.50ct Round
€49,305 EUR