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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 HK$432,195 HKD
$55,084 USD
As of November 1, 2026
Save HK$242,585 HKD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$674,779 HKD 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 HK$432,195 to HK$674,779, a HK$242,585 spread on the same certified stone. MOH London lists it at HK$674,779. 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
Colour
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: HK$674,779 HKD|Low: HK$432,195 HKD|High: HK$678,396 HKD|Avg: HK$492,381 HKD|-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 8HK$432,195 HKD
Retailer 7HK$437,169 HKD
Retailer 2HK$439,198 HKD
Retailer 9HK$450,068 HKD
Retailer 6HK$461,508 HKD
Retailer 5HK$496,784 HKD
Retailer 3HK$506,176 HKD
Retailer 10HK$536,532 HKD
Retailer 4HK$541,442 HKD
MOH LondonHK$674,779 HKD

7 data points across 10 retailers

10 retailersHK$432,195 HKD to HK$674,779 HKD

B+
Cheapest Retailer
-
HK$432,195 HKD
$55,084 USD
B+
Retailer 2
-
HK$437,169 HKD
$55,718 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$439,198 HKD
£44,076 GBP
View
B+
Retailer 4
-
HK$450,068 HKD
$57,362 USD
View
B+
Retailer 5
-
HK$461,508 HKD
$58,820 USD
View
B+
Retailer 6
-
HK$496,784 HKD
$63,316 USD
View
B+
Retailer 7
-
HK$506,176 HKD
€61,441 EUR
View
B
Retailer 8
-
HK$536,532 HKD
$68,382 USD
View
B
Retailer 9
-
HK$541,442 HKD
ZAR 1,114,828 ZAR
View
Most Expensive
B
MOH London
9BCA3037C · Nov 1
HK$674,779 HKD
£67,718 GBP
View
9 more retailers have this diamond
Prices start from HK$432,195 HKDSave up to HK$242,585 HKD

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
HK$432,195 HKD