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Emerald|Lab Grown|IGI

20.09ct F VVS2 Emerald Lab Grown Diamond

EX • F/VVS2 • IGI LG823668791

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823668791

Diamond specifications and retailer prices

From HK$37,298 HKD
$4,754 USD
As of October 30, 2026
Save HK$176,293 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$323,714 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.09ct lab-grown emerald diamond

This 20.09ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823668791 or 823668791. Listed at 16 retailers as of October 30, 2026, with a 473% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.09
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823668791
Dimensions18.32 × 12.52 × 8.28 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.32 mm12.52 mm20.09 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823668791
Side View
Table 67.0%Crown 36.7°Girdle: ThickPavilion 40.7°Culet: LargeDepth 66.1%

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$323,714 HKD|Low: HK$37,298 HKD|High: HK$333,756 HKD|Avg: HK$98,280 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 4HK$37,298 HKD
Retailer 17HK$39,087 HKD
Retailer 3HK$42,736 HKD
Retailer 11HK$43,269 HKD
Retailer 14HK$43,269 HKD
Retailer 7HK$45,560 HKD
Retailer 12HK$48,345 HKD
Retailer 15HK$54,065 HKD
Retailer 10HK$55,079 HKD
Retailer 9HK$61,550 HKD
Retailer 8HK$62,883 HKD
Retailer 6HK$63,236 HKD
Retailer 13HK$67,469 HKD
Retailer 2HK$82,019 HKD
Retailer 5HK$154,960 HKD
Retailer 16HK$213,591 HKD
Brilliant EarthHK$323,714 HKD

39 data points across 17 retailers

16 retailersHK$37,298 HKD to HK$213,591 HKD

A
Cheapest Retailer
-
HK$37,298 HKD
$4,754 USD
A
Retailer 2
-
HK$39,087 HKD
$4,982 USD
View
A
Retailer 3
-
HK$42,736 HKD
$5,447 USD
View
Final sale: no returns
A
Retailer 4
-
HK$43,269 HKD
$5,515 USD
View
A
Retailer 5
-
HK$43,269 HKD
$5,515 USD
View
A
Retailer 6
-
HK$45,560 HKD
$5,807 USD
View
B+
Retailer 7
-
HK$48,345 HKD
$6,162 USD
View
B+
Retailer 8
-
HK$54,065 HKD
$6,891 USD
View
B+
Retailer 9
-
HK$55,079 HKD
£5,528 GBP
View
Retailer 10
-
HK$62,883 HKD
$8,015 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
HK$63,236 HKD
$8,060 USD
View
B+
Retailer 12
-
HK$67,469 HKD
€8,190 EUR
View
B+
Retailer 13
-
HK$82,019 HKD
A$16,083 AUD
View
B
Retailer 14
-
HK$154,960 HKD
$19,751 USD
View
B
Retailer 15
-
HK$213,591 HKD
$27,224 USD
View
Most Expensive
Brilliant Earth
21502896A · Oct 31
HK$323,714 HKD
$41,260 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$37,298 HKDSave up to HK$176,293 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
20.09ct Emerald
HK$37,298 HKD