Emerald|Lab Grown|IGI

20.09ct F VVS2 Emerald Lab Grown Diamond

EX • F/VVS2 • IGI LG823668791

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823668791

Diamond specifications and retailer prices

From €4,255 EUR
$4,754 USD
As of October 30, 2026
Save €20,113 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €36,931 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.09ct lab-grown emerald diamond

This 20.09ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823668791 or 823668791. Listed at 16 retailers as of October 30, 2026, with a 473% 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

20.09
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823668791
Dimensions18.32 × 12.52 × 8.28 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
18.32 mm12.52 mm20.09 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823668791
Side View
Table 67.0%Crown 36.7°Girdle: ThickPavilion 40.7°Culet: LargeDepth 66.1%

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: Oct 30
Current: €36,931 EUR|Low: €4,255 EUR|High: €38,077 EUR|Avg: €11,212 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 4€4,255 EUR
Retailer 17€4,459 EUR
Retailer 3€4,876 EUR
Retailer 11€4,936 EUR
Retailer 14€4,936 EUR
Retailer 7€5,198 EUR
Retailer 12€5,516 EUR
Retailer 15€6,168 EUR
Retailer 10€6,284 EUR
Retailer 9€7,022 EUR
Retailer 8€7,174 EUR
Retailer 6€7,214 EUR
Retailer 13€7,697 EUR
Retailer 2€9,357 EUR
Retailer 5€17,679 EUR
Retailer 16€24,368 EUR
Brilliant Earth€36,931 EUR

39 data points across 17 retailers

16 retailers€4,255 EUR to €24,368 EUR

A
Cheapest Retailer
-
€4,255 EUR
$4,754 USD
A
Retailer 2
-
€4,459 EUR
$4,982 USD
View
A
Retailer 3
-
€4,876 EUR
$5,447 USD
View
Final sale: no returns
A
Retailer 4
-
€4,936 EUR
$5,515 USD
View
A
Retailer 5
-
€4,936 EUR
$5,515 USD
View
A
Retailer 6
-
€5,198 EUR
$5,807 USD
View
B+
Retailer 7
-
€5,516 EUR
$6,162 USD
View
B+
Retailer 8
-
€6,168 EUR
$6,891 USD
View
B+
Retailer 9
-
€6,284 EUR
£5,528 GBP
View
Retailer 10
-
€7,174 EUR
$8,015 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
€7,214 EUR
$8,060 USD
View
B+
Retailer 12
-
€7,697 EUR
View
B+
Retailer 13
-
€9,357 EUR
A$16,083 AUD
View
B
Retailer 14
-
€17,679 EUR
$19,751 USD
View
B
Retailer 15
-
€24,368 EUR
$27,224 USD
View
Most Expensive
Brilliant Earth
21502896A · Oct 31
€36,931 EUR
$41,260 USD
View
Price under review
15 more retailers have this diamond
Prices start from €4,255 EURSave up to €20,113 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
20.09ct Emerald
€4,255 EUR