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Emerald|Lab Grown|IGI

20.63ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG760519656

Shape and cutting style on the report: Emerald cut

Certificate IGI LG760519656

Diamond specifications and retailer prices

From HK$70,505 HKD
$8,986 USD
As of November 2, 2026
Save HK$151,477 HKD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$306,783 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.63ct lab-grown emerald diamond

This 20.63ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG760519656 or 760519656. Listed at 15 retailers as of November 2, 2026, with a 215% 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

20.63
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760519656
Dimensions18.84 × 13.02 × 8.40 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.84 mm13.02 mm20.63 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760519656
Side View
Table 65.0%Crown 34.3°Girdle: STK-THKPavilion 39°Culet: LargeDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$306,783 HKD|Low: HK$70,505 HKD|High: HK$316,276 HKD|Avg: HK$131,382 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
November 2, 2026
Retailer 9HK$70,505 HKD
Retailer 7HK$73,283 HKD
Retailer 11HK$76,531 HKD
Retailer 3HK$80,972 HKD
Retailer 6HK$81,325 HKD
Retailer 8HK$89,532 HKD
Retailer 2HK$98,813 HKD
Retailer 5HK$136,675 HKD
Retailer 4HK$155,080 HKD
Retailer 10HK$221,982 HKD
Brilliant EarthHK$306,783 HKD

35 data points across 11 retailers

15 retailersHK$70,505 HKD to HK$221,982 HKD

B+
Cheapest Retailer
-
HK$70,505 HKD
$8,986 USD
Retailer 2
-
HK$73,283 HKD
$9,340 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
HK$76,531 HKD
$9,754 USD
View
B
Retailer 4
-
HK$80,972 HKD
$10,320 USD
View
B+
Retailer 5
-
HK$81,325 HKD
$10,365 USD
View
Retailer 6
-
HK$81,788 HKD
$10,424 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
HK$81,788 HKD
$10,424 USD
View
B
Retailer 8
-
HK$89,532 HKD
$11,411 USD
View
B
Retailer 9
-
HK$91,980 HKD
$11,723 USD
View
B+
Retailer 10
-
HK$98,813 HKD
£9,917 GBP
View
B
Retailer 11
-
HK$136,675 HKD
€16,590 EUR
View
B
Retailer 12
-
HK$155,080 HKD
A$30,408 AUD
View
B
Retailer 13
-
HK$221,982 HKD
$28,292 USD
View
Retailer 14
-
HK$257,829 HKD
$32,861 USD
View
Price under review
Most Expensive
Brilliant Earth
17110571A · Oct 31
HK$306,783 HKD
$39,100 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$70,505 HKDSave up to HK$151,477 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.

B+
20.63ct Emerald
HK$70,505 HKD