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Emerald|Lab Grown|IGI

20.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG817674045

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817674045

Diamond specifications and retailer prices

From €5,241 EUR
$5,855 USD
As of November 1, 2026
Save €17,652 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €34,013 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 LG817674045 or 817674045. Listed at 10 retailers as of October 31, 2026, with a 337% 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817674045
Dimensions18.84 × 12.52 × 8.23 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.84 mm12.52 mm20.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817674045
Side View
Table 63.0%Crown 30.2°Girdle: Slightly ThickPavilion 40.7°Culet: LargeDepth 65.7%

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 1
Current: €34,013 EUR|Low: €5,241 EUR|High: €35,070 EUR|Avg: €14,352 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8€5,241 EUR
Retailer 9€5,447 EUR
Retailer 5€6,807 EUR
Retailer 2€6,955 EUR
Retailer 4€8,388 EUR
Retailer 6€9,800 EUR
Retailer 3€10,328 EUR
Retailer 10€19,383 EUR
Retailer 7€22,893 EUR
Brilliant Earth€34,013 EUR

44 data points across 10 retailers

10 retailers€5,241 EUR to €22,893 EUR

A
Cheapest Retailer
-
€5,241 EUR
$5,855 USD
Final sale: no returns
B+
Retailer 2
-
€5,447 EUR
$6,085 USD
View
B+
Retailer 3
-
€6,807 EUR
$7,605 USD
View
B+
Retailer 4
-
€6,955 EUR
£6,118 GBP
View
B+
Retailer 5
-
€8,388 EUR
$9,371 USD
View
B+
Retailer 6
-
€9,800 EUR
View
B
Retailer 7
-
€10,328 EUR
A$17,752 AUD
View
B
Retailer 8
-
€19,383 EUR
$21,655 USD
View
B
Retailer 9
-
€22,893 EUR
$25,576 USD
View
Most Expensive
Brilliant Earth
20861507A · Oct 31
€34,013 EUR
$38,000 USD
View
Price under review
9 more retailers have this diamond
Prices start from €5,241 EURSave up to €17,652 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
€5,241 EUR