Emerald|Lab Grown|IGI

21.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG781605153

Shape and cutting style on the report: Emerald cut

Certificate IGI LG781605153

Diamond specifications and retailer prices

From $19,165 CAD
$13,720 USD
As of October 30, 2026
Save $15,879 CAD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $161,726 CAD at Diamonds Direct · As of October 31, 2026
View at Diamonds Direct

About this 21.05ct lab-grown emerald diamond

This 21.05ct 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 LG781605153 or 781605153. Listed at 15 retailers as of October 30, 2026, with a 83% 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

21.05
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781605153
Dimensions18.53 × 13.17 × 8.49 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.53 mm13.17 mm21.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781605153
Side View
Table 67.0%Crown 33.6°Girdle: Slightly ThickPavilion 40.3°Culet: LargeDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $161,726 CAD|Low: $15,142 CAD|High: $161,726 CAD|Avg: $40,127 CAD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8$15,142 CAD
Retailer 9$19,165 CAD
Retailer 3$19,625 CAD
Retailer 4$19,890 CAD
Retailer 5$21,463 CAD
Retailer 7$22,232 CAD
Retailer 10$22,232 CAD
Retailer 13$22,232 CAD
Retailer 11$22,997 CAD
Retailer 6$27,778 CAD
Retailer 2$60,598 CAD
Retailer 12$62,190 CAD
Diamonds Direct$161,726 CAD

41 data points across 13 retailers

15 retailers$19,165 CAD to $35,044 CAD

Retailer 1
-
$15,142 CAD
$10,840 USD
Price last confirmed 13 days ago
B
Retailer 2
-
$19,165 CAD
$13,720 USD
View
B
Retailer 3
-
$19,625 CAD
$14,049 USD
View
B
Retailer 4
-
$19,890 CAD
$14,239 USD
View
B
Retailer 5
-
$21,463 CAD
$15,365 USD
View
Final sale: no returns
B
Retailer 6
-
$22,232 CAD
$15,915 USD
View
B
Retailer 7
-
$22,232 CAD
$15,915 USD
View
Retailer 8
-
$22,232 CAD
$15,915 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
$22,997 CAD
$16,463 USD
View
B
Retailer 10
-
$27,778 CAD
£15,658 GBP
View
B
Retailer 11
-
$35,044 CAD
$25,087 USD
View
Retailer 12
-
$60,598 CAD
$43,380 USD
View
Price under review
Retailer 13
-
$62,190 CAD
$44,520 USD
View
Price under review
Most Expensive
Diamonds Direct
819522 · Oct 31
$161,726 CAD
$115,775 USD
View
Price under review
13 more retailers have this diamond
Prices start from $19,165 CADSave up to $15,879 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.

B
21.05ct Emerald
$19,165 CAD