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Cushion|Lab Grown|IGI

11.21ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG605326749

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG605326749

Diamond specifications and retailer prices

From $6,336 CAD
$4,534 USD
As of November 1, 2026
Save $19,111 CAD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $25,447 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.21ct lab-grown cushion diamond

This 11.21ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605326749 or 605326749. Listed at 4 retailers as of November 1, 2026, with prices from $6,336 to $25,447, a $19,111 spread on the same certified stone. Brilliant Earth lists it at $25,447. 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

11.21
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605326749
Dimensions15.10 × 12.34 × 7.82 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.10 mm12.34 mm11.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605326749
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 63.4%

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: Nov 1
Current: $25,447 CAD|Low: $2,384 CAD|High: $26,760 CAD|Avg: $9,639 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 2, 2026
Retailer 7$2,384 CAD
Retailer 14$4,585 CAD
Retailer 12$4,737 CAD
Retailer 4$5,907 CAD
Retailer 13$6,336 CAD
Retailer 9$6,485 CAD
Retailer 5$6,778 CAD
Retailer 2$7,545 CAD
Retailer 6$7,880 CAD
Retailer 8$8,359 CAD
Retailer 3$10,493 CAD
Retailer 15$12,407 CAD
Retailer 10$12,897 CAD
Brilliant Earth$25,447 CAD
Retailer 11$26,760 CAD

21 data points across 15 retailers

4 retailers$6,336 CAD to $25,447 CAD

A
Cheapest Retailer
-
$6,336 CAD
$4,534 USD
B+
Retailer 2
-
$7,545 CAD
€5,142 EUR
View
B
Retailer 3
-
$12,407 CAD
$8,878 USD
View
Most Expensive
B
Brilliant Earth
18094760A · Nov 2
$25,447 CAD
$18,210 USD
View
3 more retailers have this diamond
Prices start from $6,336 CADSave up to $19,111 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
11.21ct Cushion
$6,336 CAD