Emerald|Natural|IGI

4.51ct J SI1 Emerald Natural Diamond

VG • J/SI1 • IGI 671412256

Shape and cutting style on the report: Emerald cut

Certificate IGI 671412256

Diamond specifications and retailer prices

From HK$235,905 HKD
$30,068 USD
As of October 26, 2026
Save HK$132,456 HKD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$368,361 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 4.51ct natural emerald diamond

This 4.51ct natural emerald sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671412256. Listed at 13 retailers as of October 26, 2026, with prices from HK$235,905 to HK$368,361, a HK$132,456 spread on the same certified stone. MOH London lists it at HK$368,361. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.4°
Pavilion angle43.8°
OriginNatural
Grading LabIGI
CertificateIGI 671412256
Dimensions11.24 × 7.87 × 5.44 mm
L/W Ratio1.43
Culet sizeLarge
Top View
11.24 mm7.87 mm4.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671412256
Side View
Table 68.0%Crown 28.4°Girdle: Slightly ThickPavilion 43.8°Culet: LargeDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: HK$368,361 HKD|Low: HK$233,064 HKD|High: HK$372,296 HKD|Avg: HK$274,580 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 27, 2026
Retailer 13HK$235,905 HKD
Retailer 10HK$236,713 HKD
Retailer 6HK$241,858 HKD
Retailer 12HK$245,359 HKD
Retailer 9HK$252,514 HKD
Retailer 11HK$259,999 HKD
Retailer 8HK$272,999 HKD
Retailer 3HK$281,661 HKD
Retailer 7HK$284,243 HKD
Retailer 5HK$289,413 HKD
Retailer 4HK$292,496 HKD
Retailer 2HK$293,601 HKD
MOH LondonHK$368,361 HKD

27 data points across 13 retailers

13 retailersHK$235,905 HKD to HK$368,361 HKD

A
Cheapest Retailer
-
HK$235,905 HKD
$30,068 USD
A
Retailer 2
-
HK$236,713 HKD
$30,171 USD
View
A
Retailer 3
-
HK$241,858 HKD
£24,273 GBP
View
Retailer 4
-
HK$245,359 HKD
$31,273 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$252,514 HKD
$32,185 USD
View
B+
Retailer 6
-
HK$259,999 HKD
$33,139 USD
View
B+
Retailer 7
-
HK$272,999 HKD
$34,796 USD
View
B+
Retailer 8
-
HK$281,661 HKD
$35,900 USD
View
B+
Retailer 9
-
HK$284,243 HKD
€34,504 EUR
View
B+
Retailer 10
-
HK$289,413 HKD
$36,888 USD
View
B+
Retailer 11
-
HK$292,496 HKD
$37,281 USD
View
B+
Retailer 12
-
HK$293,601 HKD
ZAR 604,554 ZAR
View
Most Expensive
B+
MOH London
2216008F9 · Oct 26
HK$368,361 HKD
£36,969 GBP
View
12 more retailers have this diamond
Prices start from HK$235,905 HKDSave up to HK$132,456 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.

A
4.51ct Emerald
HK$235,905 HKD