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Emerald|Lab Grown|IGI

20.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG843679626

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843679626

Diamond specifications and retailer prices

From €4,243 EUR
$4,759 USD
As of November 2, 2026
Save €18,413 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €33,880 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.05ct lab-grown emerald diamond

This 20.05ct 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 LG843679626 or 843679626. Listed at 12 retailers as of November 2, 2026, with a 434% 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

20.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843679626
Dimensions18.67 × 12.61 × 8.03 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.67 mm12.61 mm20.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843679626
Side View
Table 69.0%Crown 37.9°Girdle: ThickPavilion 42.4°Culet: LargeDepth 63.7%

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: Nov 2
Current: €6,287 EUR|Low: €4,243 EUR|High: €22,952 EUR|Avg: €12,137 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€4,243 EUR
Retailer 6€4,752 EUR
Retailer 4€6,266 EUR
Retailer 1€6,287 EUR
Retailer 7€7,610 EUR
Retailer 8€9,331 EUR
Retailer 2€9,547 EUR
Retailer 9€13,682 EUR
Retailer 10€17,630 EUR
Retailer 3€22,656 EUR

11 data points across 10 retailers

12 retailers€4,243 EUR to €22,656 EUR

A
Cheapest Retailer
-
€4,243 EUR
$4,759 USD
A
Retailer 2
-
€4,752 EUR
$5,330 USD
View
Final sale: no returns
B+
Retailer 3
-
€6,266 EUR
£5,534 GBP
View
B+
Retailer 4
-
€6,287 EUR
$7,051 USD
View
B+
Retailer 5
-
€6,995 EUR
$7,846 USD
View
B+
Retailer 6
-
€7,610 EUR
$8,535 USD
View
B
Retailer 7
-
€9,331 EUR
A$16,101 AUD
View
B+
Retailer 8
-
€9,547 EUR
View
B
Retailer 9
-
€13,682 EUR
$15,346 USD
View
B
Retailer 10
-
€17,630 EUR
$19,773 USD
View
B
Retailer 11
-
€22,656 EUR
$25,411 USD
View
Most Expensive
Brilliant Earth
22286334A · Oct 31
€33,880 EUR
$38,000 USD
View
Price under review
11 more retailers have this diamond
Prices start from €4,243 EURSave up to €18,413 EUR

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
20.05ct Emerald
€4,243 EUR