Emerald|Lab Grown|IGI

20.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG825691487

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825691487

Diamond specifications and retailer prices

From $5,783 USD
As of October 30, 2026
Save $19,990 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $38,000 USD 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 LG825691487 or 825691487. Listed at 15 retailers as of October 30, 2026, with a 346% 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 angle34.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825691487
Dimensions18.36 × 12.86 × 7.96 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
18.36 mm12.86 mm20.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825691487
Side View
Table 69.0%Crown 34.1°Girdle: ThickPavilion 38.8°Culet: LargeDepth 61.9%

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: $38,000 USD|Low: $5,783 USD|High: $38,000 USD|Avg: $15,385 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$5,783 USD
Retailer 5$6,710 USD
Retailer 7$7,895 USD
Retailer 8$8,116 USD
Retailer 2$8,623 USD
Retailer 10$10,355 USD
Retailer 4$12,483 USD
Retailer 6$12,828 USD
Retailer 3$23,547 USD
Retailer 11$25,773 USD
Brilliant Earth$38,000 USD

41 data points across 11 retailers

15 retailers$5,783 USD to $25,773 USD

A
Cheapest Retailer
-
$5,783 USD
B+
Retailer 2
-
$6,060 USD
View
B+
Retailer 3
-
$6,708 USD
View
Retailer 4
-
$6,708 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$6,710 USD
View
Retailer 6
-
$7,895 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$7,963 USD
View
B+
Retailer 8
-
$8,116 USD
View
B+
Retailer 9
-
$8,623 USD
£6,790 GBP
View
B
Retailer 10
-
$10,355 USD
View
B
Retailer 11
-
$12,483 USD
€11,889 EUR
View
Retailer 12
-
$12,828 USD
A$19,736 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$23,547 USD
View
B
Retailer 14
-
$25,773 USD
View
Most Expensive
Brilliant Earth
21107592A · Oct 31
$38,000 USD
View
Price under review
14 more retailers have this diamond
Prices start from $5,783 USDSave up to $19,990 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
$5,783 USD