Emerald|Lab Grown|IGI

21.11ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG756584573

Shape and cutting style on the report: Emerald cut

Certificate IGI LG756584573

Diamond specifications and retailer prices

From $12,838 CAD
$9,190 USD
As of October 30, 2026
Save $33,947 CAD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $55,890 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 21.11ct lab-grown emerald diamond

This 21.11ct 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 LG756584573 or 756584573. Listed at 16 retailers as of October 30, 2026, with a 264% 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

21.11
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756584573
Dimensions19.32 × 12.84 × 8.27 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.32 mm12.84 mm21.11 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756584573
Side View
Table 65.0%Crown 26.8°Girdle: Slightly ThickPavilion 43.4°Culet: LNGDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $55,890 CAD|Low: $12,325 CAD|High: $57,622 CAD|Avg: $21,530 CAD|-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
November 1, 2026
Retailer 14$12,838 CAD
Retailer 15$13,352 CAD
Retailer 12$13,354 CAD
Retailer 5$13,928 CAD
Retailer 8$14,737 CAD
Retailer 10$14,814 CAD
Retailer 4$14,892 CAD
Retailer 7$14,892 CAD
Retailer 13$16,302 CAD
Retailer 6$16,749 CAD
Retailer 2$18,000 CAD
Retailer 9$24,898 CAD
Retailer 11$28,271 CAD
Retailer 3$41,277 CAD
Brilliant Earth$55,890 CAD

35 data points across 15 retailers

16 retailers$12,838 CAD to $46,784 CAD

B+
Cheapest Retailer
-
$12,838 CAD
$9,190 USD
B+
Retailer 2
-
$13,352 CAD
$9,558 USD
View
Retailer 3
-
$13,354 CAD
$9,560 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$13,928 CAD
$9,971 USD
View
B+
Retailer 5
-
$14,737 CAD
$10,550 USD
View
B+
Retailer 6
-
$14,814 CAD
$10,605 USD
View
Retailer 7
-
$14,892 CAD
$10,661 USD
View
Price last confirmed 19 days ago
B
Retailer 8
-
$14,892 CAD
$10,661 USD
View
B
Retailer 9
-
$16,302 CAD
$11,670 USD
View
B
Retailer 10
-
$16,749 CAD
$11,990 USD
View
B+
Retailer 11
-
$18,000 CAD
£10,146 GBP
View
B
Retailer 12
-
$24,898 CAD
€16,975 EUR
View
Retailer 13
-
$28,271 CAD
A$31,136 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$41,277 CAD
$29,549 USD
View
B
Retailer 15
-
$46,784 CAD
$33,492 USD
View
Most Expensive
Brilliant Earth
17006427A · Oct 31
$55,890 CAD
$40,010 USD
View
Price under review
15 more retailers have this diamond
Prices start from $12,838 CADSave up to $33,947 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+
21.11ct Emerald
$12,838 CAD