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 $8,986 USD
As of October 30, 2026
Save $23,875 USD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $39,100 USD 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 October 30, 2026, with a 266% 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
Color
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: Oct 30
Current: $39,100 USD|Low: $8,986 USD|High: $40,310 USD|Avg: $16,765 USD|-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 1, 2026
Retailer 9$8,986 USD
Retailer 7$9,340 USD
Retailer 11$9,754 USD
Retailer 3$10,320 USD
Retailer 6$10,365 USD
Retailer 8$11,411 USD
Retailer 4$12,594 USD
Retailer 5$17,420 USD
Retailer 2$19,765 USD
Retailer 10$28,292 USD
Brilliant Earth$39,100 USD

34 data points across 11 retailers

15 retailers$8,986 USD to $32,861 USD

B+
Cheapest Retailer
-
$8,986 USD
Retailer 2
-
$9,340 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$9,754 USD
View
B
Retailer 4
-
$10,320 USD
View
B+
Retailer 5
-
$10,365 USD
View
Retailer 6
-
$10,424 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$10,424 USD
View
B
Retailer 8
-
$11,411 USD
View
B
Retailer 9
-
$11,723 USD
View
B+
Retailer 10
-
$12,594 USD
£9,917 GBP
View
B
Retailer 11
-
$17,420 USD
€16,590 EUR
View
B
Retailer 12
-
$19,765 USD
A$30,408 AUD
View
B
Retailer 13
-
$28,292 USD
View
B
Retailer 14
-
$32,861 USD
View
Most Expensive
Brilliant Earth
17110571A · Oct 31
$39,100 USD
View
Price under review
14 more retailers have this diamond
Prices start from $8,986 USDSave up to $23,875 USD

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
$8,986 USD