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Emerald|Lab Grown|IGI

4.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG667439840

Shape and cutting style on the report: Emerald cut

Certificate IGI LG667439840

Diamond specifications and retailer prices

From HK$26,675 HKD
$3,400 USD
As of October 30, 2026
Save HK$81,981 HKD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$108,657 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.09ct lab-grown emerald diamond

This 4.09ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG667439840 or 667439840. Listed at 23 retailers as of October 30, 2026, with prices from HK$26,675 to HK$108,657, a HK$81,981 spread on the same certified stone. Taylor and Hart lists it at HK$108,657. 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

4.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667439840
Dimensions12.05 × 6.69 × 4.66 mm
L/W Ratio1.80
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.05 mm6.69 mm4.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667439840
Side View
Table 66.0%Crown 38.7°Girdle: MediumPavilion 41.7°Culet: LNGDepth 69.7%

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$104,740 HKD|Low: HK$25,608 HKD|High: HK$111,958 HKD|Avg: HK$54,155 HKD|-6.4%
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 3HK$26,675 HKD
Retailer 8HK$29,021 HKD
Retailer 9HK$30,857 HKD
Retailer 5HK$30,943 HKD
Retailer 7HK$30,943 HKD
Retailer 2HK$32,167 HKD
Retailer 10HK$41,296 HKD
Retailer 17HK$42,681 HKD
Retailer 6HK$48,008 HKD
Retailer 12HK$49,675 HKD
Retailer 16HK$53,704 HKD
Retailer 11HK$65,856 HKD
Retailer 14HK$66,852 HKD
Retailer 15HK$73,773 HKD
Retailer 13HK$78,547 HKD
Retailer 4HK$96,038 HKD
Retailer 1HK$104,740 HKD

39 data points across 17 retailers

23 retailersHK$26,675 HKD to HK$108,657 HKD

A
Cheapest Retailer
-
HK$26,675 HKD
$3,400 USD
A
Retailer 2
-
HK$29,021 HKD
$3,699 USD
View
A
Retailer 3
-
HK$29,876 HKD
$3,808 USD
View
Final sale: no returns
A
Retailer 4
-
HK$30,857 HKD
$3,933 USD
View
A
Retailer 5
-
HK$30,943 HKD
$3,944 USD
View
Retailer 6
-
HK$30,943 HKD
$3,944 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
HK$32,167 HKD
$4,100 USD
View
A
Retailer 8
-
HK$38,671 HKD
$4,929 USD
View
A
Retailer 9
-
HK$41,296 HKD
£4,144 GBP
View
A
Retailer 10
-
HK$42,681 HKD
$5,440 USD
View
A
Retailer 11
-
HK$46,878 HKD
$5,975 USD
View
A
Retailer 12
-
HK$47,349 HKD
£4,752 GBP
View
A
Retailer 13
-
HK$48,008 HKD
$6,119 USD
View
A
Retailer 14
-
HK$49,675 HKD
€6,030 EUR
View
A
Retailer 15
-
HK$53,704 HKD
$6,845 USD
View
B+
Retailer 16
-
HK$65,856 HKD
ZAR 135,605 ZAR
View
Retailer 17
-
HK$66,852 HKD
A$13,109 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
HK$73,773 HKD
$9,403 USD
View
B+
Retailer 19
-
HK$77,547 HKD
$9,884 USD
View
B+
Retailer 20
-
HK$78,547 HKD
£7,883 GBP
View
Retailer 21
-
HK$96,038 HKD
A$18,832 AUD
View
Price last confirmed 23 days ago
B
Retailer 22
-
HK$104,740 HKD
$13,350 USD
View
Most Expensive
B
Taylor and Hart
GUOO4Q3 · Oct 31
HK$108,657 HKD
$13,849 USD
View
22 more retailers have this diamond
Prices start from HK$26,675 HKDSave up to HK$81,981 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
4.09ct Emerald
HK$26,675 HKD