Emerald|Lab Grown|IGI

20.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG807651881

Shape and cutting style on the report: Emerald cut

Certificate IGI LG807651881

Diamond specifications and retailer prices

From $5,604 USD
As of October 30, 2026
Save $20,106 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,710 USD at Adiamor · As of October 31, 2026
View at Adiamor

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 LG807651881 or 807651881. Listed at 14 retailers as of October 30, 2026, with prices from $5,604 to $25,710, a $20,106 spread on the same certified stone. Adiamor lists it at $25,710. 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 angle34.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807651881
Dimensions18.53 × 12.94 × 8.24 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.53 mm12.94 mm20.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807651881
Side View
Table 71.0%Crown 34.2°Girdle: STK-THKPavilion 39.6°Culet: LargeDepth 63.7%

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 30
Current: $25,710 USD|Low: $5,604 USD|High: $26,017 USD|Avg: $11,092 USD|-1.2%
Adiamor
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
November 1, 2026
Retailer 9$5,604 USD
Retailer 5$5,873 USD
Retailer 12$6,501 USD
Retailer 8$6,505 USD
Retailer 14$6,576 USD
Retailer 6$6,879 USD
Retailer 13$7,717 USD
Retailer 3$7,782 USD
Retailer 11$8,006 USD
Retailer 7$8,348 USD
Retailer 10$10,037 USD
Retailer 2$12,398 USD
Retailer 4$22,938 USD
Adiamor$25,710 USD

43 data points across 14 retailers

14 retailers$5,604 USD to $25,710 USD

A
Cheapest Retailer
-
$5,604 USD
A
Retailer 2
-
$5,873 USD
View
B+
Retailer 3
-
$6,501 USD
View
B+
Retailer 4
-
$6,505 USD
View
B+
Retailer 5
-
$6,576 USD
View
Retailer 6
-
$6,879 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$7,717 USD
View
B+
Retailer 8
-
$7,782 USD
HK$60,800 HKD
View
B+
Retailer 9
-
$8,006 USD
View
B+
Retailer 10
-
$8,348 USD
£6,574 GBP
View
B+
Retailer 11
-
$10,037 USD
View
Retailer 12
-
$12,398 USD
A$19,074 AUD
View
B
Retailer 13
-
$22,938 USD
View
Most Expensive
B
Adiamor
D-80343537 · Oct 31
$25,710 USD
View
13 more retailers have this diamond
Prices start from $5,604 USDSave up to $20,106 USD

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
$5,604 USD