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 $8,179 CAD
$5,855 USD
As of October 31, 2026
Save $27,548 CAD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $53,082 CAD 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: Oct 31
Current: $53,082 CAD|Low: $8,179 CAD|High: $54,731 CAD|Avg: $22,526 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$8,179 CAD
Retailer 9$8,500 CAD
Retailer 5$10,623 CAD
Retailer 4$10,854 CAD
Retailer 3$13,090 CAD
Retailer 6$15,294 CAD
Retailer 2$16,119 CAD
Retailer 10$30,250 CAD
Retailer 7$35,727 CAD
Brilliant Earth$53,082 CAD

44 data points across 10 retailers

10 retailers$8,179 CAD to $35,727 CAD

A
Cheapest Retailer
-
$8,179 CAD
$5,855 USD
Final sale: no returns
B+
Retailer 2
-
$8,500 CAD
$6,085 USD
View
B+
Retailer 3
-
$10,623 CAD
$7,605 USD
View
B+
Retailer 4
-
$10,854 CAD
£6,118 GBP
View
B+
Retailer 5
-
$13,090 CAD
$9,371 USD
View
B+
Retailer 6
-
$15,294 CAD
€10,427 EUR
View
B
Retailer 7
-
$16,119 CAD
A$17,752 AUD
View
B
Retailer 8
-
$30,250 CAD
$21,655 USD
View
B
Retailer 9
-
$35,727 CAD
$25,576 USD
View
Most Expensive
Brilliant Earth
20861507A · Oct 31
$53,082 CAD
$38,000 USD
View
Price under review
9 more retailers have this diamond
Prices start from $8,179 CADSave up to $27,548 CAD

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
$8,179 CAD