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Emerald|Lab Grown|IGI

4.55ct H VS1 Emerald Lab Grown Diamond

EX • H/VS1 • IGI LG579382397

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579382397

Diamond specifications and retailer prices

From HK$3,727 HKD
$475 USD
As of October 30, 2026
Save HK$21,301 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$25,028 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.55ct lab-grown emerald diamond

This 4.55ct lab-grown emerald sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579382397 or 579382397. Listed at 19 retailers as of October 30, 2026, with prices from HK$3,727 to HK$25,028, a HK$21,301 spread on the same certified stone. Brilliant Earth lists it at HK$25,028. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.55
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579382397
Dimensions11.00 × 7.68 × 5.29 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.00 mm7.68 mm4.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579382397
Side View
Table 68.0%Crown 33.3°Girdle: MediumPavilion 41.6°Culet: LargeDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: HK$25,028 HKD|Low: HK$3,578 HKD|High: HK$30,520 HKD|Avg: HK$12,170 HKD|-18.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 18HK$3,727 HKD
Retailer 4HK$4,174 HKD
Retailer 3HK$4,613 HKD
Retailer 19HK$4,613 HKD
Retailer 16HK$6,198 HKD
Retailer 12HK$7,060 HKD
Retailer 7HK$8,003 HKD
Retailer 13HK$9,187 HKD
Retailer 2HK$9,251 HKD
Retailer 9HK$10,741 HKD
Retailer 17HK$12,412 HKD
Retailer 8HK$13,511 HKD
Retailer 5HK$14,844 HKD
Retailer 10HK$15,072 HKD
Retailer 14HK$16,979 HKD
Retailer 11HK$18,390 HKD
Retailer 6HK$18,660 HKD
Retailer 15HK$23,890 HKD
Brilliant EarthHK$25,028 HKD

33 data points across 19 retailers

19 retailersHK$3,727 HKD to HK$25,028 HKD

A
Cheapest Retailer
-
HK$3,727 HKD
$475 USD
A
Retailer 2
-
HK$4,174 HKD
$532 USD
View
Retailer 3
-
HK$4,613 HKD
$588 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
HK$4,613 HKD
$588 USD
View
A
Retailer 5
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 6
-
HK$6,198 HKD
$790 USD
View
A
Retailer 7
-
HK$7,060 HKD
€857 EUR
View
A
Retailer 8
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 9
-
HK$9,187 HKD
ZAR 18,918 ZAR
View
A
Retailer 10
-
HK$9,251 HKD
A$1,814 AUD
View
A
Retailer 11
-
HK$10,741 HKD
$1,369 USD
View
B+
Retailer 12
-
HK$12,412 HKD
$1,582 USD
View
B+
Retailer 13
-
HK$13,511 HKD
£1,356 GBP
View
B+
Retailer 14
-
HK$14,844 HKD
$1,892 USD
View
B+
Retailer 15
-
HK$15,072 HKD
$1,921 USD
View
B+
Retailer 16
-
HK$16,979 HKD
£1,704 GBP
View
Retailer 17
-
HK$18,660 HKD
SGD 3,214 SGD
View
Price last confirmed 18 days ago
B
Retailer 18
-
HK$23,890 HKD
$3,045 USD
View
Most Expensive
B
Brilliant Earth
20456019A · Oct 30
HK$25,028 HKD
$3,190 USD
View
18 more retailers have this diamond
Prices start from HK$3,727 HKDSave up to HK$21,301 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
4.55ct Emerald
HK$3,727 HKD