Emerald|Lab Grown|IGI

5.09ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG754565476

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754565476

Diamond specifications and retailer prices

From HK$4,496 HKD
$573 USD
As of October 29, 2026
Save HK$36,302 HKD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$40,798 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.09ct lab-grown emerald diamond

This 5.09ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754565476 or 754565476. Listed at 18 retailers as of October 29, 2026, with prices from HK$4,496 to HK$40,798, a HK$36,302 spread on the same certified stone. Brilliant Earth lists it at HK$40,798. 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

5.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754565476
Dimensions11.69 × 8.09 × 5.17 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm8.09 mm5.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754565476
Side View
Table 60.0%Crown 31.8°Girdle: Slightly ThickPavilion 38.2°Culet: LargeDepth 63.9%

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 29
Current: HK$40,798 HKD|Low: HK$4,323 HKD|High: HK$45,662 HKD|Avg: HK$12,131 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4HK$4,323 HKD
Retailer 3HK$4,496 HKD
Retailer 11HK$4,982 HKD
Retailer 7HK$5,374 HKD
Retailer 9HK$6,685 HKD
Retailer 5HK$7,488 HKD
Retailer 2HK$7,697 HKD
Retailer 12HK$7,838 HKD
Retailer 8HK$12,859 HKD
Retailer 10HK$16,378 HKD
Retailer 6HK$20,905 HKD
Brilliant EarthHK$40,798 HKD

40 data points across 12 retailers

18 retailersHK$4,496 HKD to HK$40,798 HKD

Retailer 1
-
HK$4,017 HKD
$512 USD
Price last confirmed 38 days ago
Retailer 2
-
HK$4,017 HKD
$512 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
HK$4,496 HKD
$573 USD
View
Final sale: no returns
Retailer 4
-
HK$4,496 HKD
$573 USD
View
Price last confirmed 36 days ago
Retailer 5
-
HK$4,919 HKD
$627 USD
View
Price last confirmed 39 days ago
Retailer 6
-
HK$4,919 HKD
$627 USD
View
Price last confirmed 31 days ago
Retailer 7
-
HK$4,982 HKD
$635 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$5,374 HKD
$685 USD
View
B+
Retailer 9
-
HK$6,685 HKD
$852 USD
View
A
Retailer 10
-
HK$7,488 HKD
€909 EUR
View
A
Retailer 11
-
HK$7,697 HKD
£773 GBP
View
A
Retailer 12
-
HK$7,838 HKD
$999 USD
View
B+
Retailer 13
-
HK$12,859 HKD
$1,639 USD
View
Retailer 14
-
HK$13,102 HKD
$1,670 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
HK$16,209 HKD
$2,066 USD
View
B+
Retailer 16
-
HK$16,378 HKD
$2,088 USD
View
B
Retailer 17
-
HK$20,905 HKD
£2,098 GBP
View
Most Expensive
B
Brilliant Earth
18620791A · Oct 29
HK$40,798 HKD
$5,200 USD
View
17 more retailers have this diamond
Prices start from HK$4,496 HKDSave up to HK$36,302 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
5.09ct Emerald
HK$4,496 HKD