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Emerald|Lab Grown|IGI

5.09ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG780662939

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780662939

Diamond specifications and retailer prices

From HK$83,580 HKD
$10,653 USD
As of October 26, 2026
Save HK$240,792 HKD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$324,373 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662939 or 780662939. Listed at 12 retailers as of October 26, 2026, with prices from HK$83,580 to HK$324,373, a HK$240,792 spread on the same certified stone. With Clarity lists it at HK$324,373. 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

5.09
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662939
Dimensions11.98 × 8.11 × 5.23 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.98 mm8.11 mm5.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662939
Side View
Table 64.0%Crown 30°Girdle: Slightly ThickPavilion 39.6°Culet: LargeDepth 64.5%

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 26
Current: HK$128,513 HKD|Low: HK$71,877 HKD|High: HK$419,612 HKD|Avg: HK$170,984 HKD|-22.4%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 5HK$71,877 HKD
Retailer 11HK$83,580 HKD
Retailer 10HK$84,208 HKD
Retailer 8HK$86,656 HKD
Retailer 12HK$86,968 HKD
Retailer 4HK$90,649 HKD
Retailer 14HK$128,330 HKD
Retailer 1HK$128,513 HKD
Retailer 7HK$133,974 HKD
Retailer 13HK$162,633 HKD
Retailer 3HK$191,208 HKD
Retailer 2HK$212,390 HKD
Retailer 9HK$219,640 HKD
Retailer 6HK$307,499 HKD
With ClarityHK$324,373 HKD

24 data points across 15 retailers

12 retailersHK$83,580 HKD to HK$324,373 HKD

A
Cheapest Retailer
-
HK$83,580 HKD
$10,653 USD
A
Retailer 2
-
HK$84,208 HKD
$10,733 USD
View
A
Retailer 3
-
HK$86,656 HKD
$11,045 USD
View
A
Retailer 4
-
HK$86,968 HKD
View
B+
Retailer 5
-
HK$128,513 HKD
$16,380 USD
View
B+
Retailer 6
-
HK$133,974 HKD
€16,263 EUR
View
Retailer 7
-
HK$162,633 HKD
£16,322 GBP
View
Price last confirmed 23 days ago
Retailer 8
-
HK$191,208 HKD
$24,371 USD
View
Price last confirmed 26 days ago
Retailer 9
-
HK$212,390 HKD
ZAR 437,332 ZAR
View
Price last confirmed 25 days ago
B
Retailer 10
-
HK$219,640 HKD
$27,995 USD
View
Retailer 11
-
HK$307,499 HKD
$39,193 USD
View
Price last confirmed 27 days ago
Most Expensive
B
With Clarity
780662939 · Oct 31
HK$324,373 HKD
$41,344 USD
View
11 more retailers have this diamond
Prices start from HK$83,580 HKDSave up to HK$240,792 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$83,580 HKD