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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 $55,084 USD
As of November 1, 2026
Save $30,918 USD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $86,002 USD 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 $55,084 to $86,002, a $30,918 spread on the same certified stone. MOH London lists it at $86,002. 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: $86,002 USD|Low: $55,084 USD|High: $86,463 USD|Avg: $62,755 USD|-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$55,084 USD
Retailer 7$55,718 USD
Retailer 2$55,977 USD
Retailer 9$57,362 USD
Retailer 6$58,820 USD
Retailer 5$63,316 USD
Retailer 3$64,513 USD
Retailer 10$68,382 USD
Retailer 4$69,008 USD
MOH London$86,002 USD

7 data points across 10 retailers

10 retailers$55,084 USD to $86,002 USD

B+
Cheapest Retailer
-
$55,084 USD
B+
Retailer 2
-
$55,718 USD
View
Final sale: no returns
B+
Retailer 3
-
$55,977 USD
£44,076 GBP
View
B+
Retailer 4
-
$57,362 USD
View
B+
Retailer 5
-
$58,820 USD
View
B+
Retailer 6
-
$63,316 USD
View
B+
Retailer 7
-
$64,513 USD
€61,441 EUR
View
B
Retailer 8
-
$68,382 USD
View
B
Retailer 9
-
$69,008 USD
ZAR 1,114,828 ZAR
View
Most Expensive
B
MOH London
9BCA3037C · Nov 1
$86,002 USD
£67,718 GBP
View
9 more retailers have this diamond
Prices start from $55,084 USDSave up to $30,918 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.

B+
4.50ct Round
$55,084 USD