Emerald|Lab Grown|IGI

20.12ct F VS1 Emerald Lab Grown Diamond

VG • F/VS1 • IGI LG847609034

Shape and cutting style on the report: Emerald cut

Certificate IGI LG847609034

Diamond specifications and retailer prices

From €4,346 EUR
$4,855 USD
As of October 31, 2026
Save €18,508 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €22,853 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 20.12ct lab-grown emerald diamond

This 20.12ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847609034 or 847609034. Listed at 11 retailers as of October 31, 2026, with prices from €4,346 to €22,853, a €18,508 spread on the same certified stone. Adiamor lists it at €22,853. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

20.12
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847609034
Dimensions18.80 × 12.90 × 8.53 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
18.80 mm12.90 mm20.12 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847609034
Side View
Table 67.0%Crown 34.4°Girdle: MediumPavilion 40.6°Culet: LargeDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €22,853 EUR|Low: €4,346 EUR|High: €22,853 EUR|Avg: €9,685 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€4,346 EUR
Retailer 6€4,810 EUR
Retailer 4€4,842 EUR
Retailer 3€5,089 EUR
Retailer 7€6,011 EUR
Retailer 5€6,252 EUR
Retailer 11€7,025 EUR
Retailer 9€7,733 EUR
Retailer 2€9,108 EUR
Retailer 10€17,204 EUR
Adiamor€22,853 EUR

8 data points across 11 retailers

11 retailers€4,346 EUR to €22,853 EUR

A
Cheapest Retailer
-
€4,346 EUR
$4,855 USD
B+
Retailer 2
-
€4,810 EUR
$5,374 USD
View
B+
Retailer 3
-
€4,842 EUR
$5,410 USD
View
B+
Retailer 4
-
€5,089 EUR
$5,686 USD
View
B+
Retailer 5
-
€6,011 EUR
$6,715 USD
View
B+
Retailer 6
-
€6,252 EUR
£5,500 GBP
View
B+
Retailer 7
-
€7,025 EUR
$7,848 USD
View
B+
Retailer 8
-
€7,733 EUR
View
B
Retailer 9
-
€9,108 EUR
A$15,655 AUD
View
B
Retailer 10
-
€17,204 EUR
$19,221 USD
View
Most Expensive
B
Adiamor
D-82814565 · Oct 31
€22,853 EUR
$25,532 USD
View
10 more retailers have this diamond
Prices start from €4,346 EURSave up to €18,508 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
20.12ct Emerald
€4,346 EUR