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Emerald|Lab Grown|IGI

20.12ct F VS2 Emerald Lab Grown Diamond

EX • F/VS2 • IGI LG803672661

Shape and cutting style on the report: Emerald cut

Certificate IGI LG803672661

Diamond specifications and retailer prices

From €4,927 EUR
$5,505 USD
As of October 31, 2026
Save €4,043 EUR (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €29,260 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803672661 or 803672661. Listed at 9 retailers as of October 29, 2026, with a 82% 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

20.12
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.7°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803672661
Dimensions17.30 × 12.30 × 8.49 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.30 mm12.30 mm20.12 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803672661
Side View
Table 69.0%Crown 49.7°Girdle: STK-THKPavilion 37.1°Culet: LargeDepth 69.0%

Caratlytics Score

How it works →
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: €29,260 EUR|Low: €4,927 EUR|High: €30,165 EUR|Avg: €10,210 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7€4,927 EUR
Retailer 6€5,140 EUR
Retailer 5€5,234 EUR
Retailer 4€6,257 EUR
Retailer 3€6,789 EUR
Retailer 2€7,576 EUR
Retailer 8€8,971 EUR
Brilliant Earth€29,260 EUR

24 data points across 8 retailers

9 retailers€4,927 EUR to €8,971 EUR

A
Cheapest Retailer
-
€4,927 EUR
$5,505 USD
B+
Retailer 2
-
€5,140 EUR
$5,742 USD
View
Final sale: no returns
B+
Retailer 3
-
€5,234 EUR
$5,847 USD
View
B+
Retailer 4
-
€5,709 EUR
$6,378 USD
View
B+
Retailer 5
-
€6,257 EUR
$6,990 USD
View
B+
Retailer 6
-
€6,789 EUR
$7,585 USD
View
B+
Retailer 7
-
€7,576 EUR
$8,464 USD
View
B
Retailer 8
-
€8,971 EUR
View
Most Expensive
Brilliant Earth
20613273A · Oct 31
€29,260 EUR
$32,690 USD
View
Price under review
8 more retailers have this diamond
Prices start from €4,927 EURSave up to €4,043 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
€4,927 EUR