Cushion|Lab Grown|IGI

11.73ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG620435609

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620435609

Diamond specifications and retailer prices

From $2,699 CAD
£1,519 GBP
As of October 30, 2026
Save $10,317 CAD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,016 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.73ct lab-grown cushion diamond

This 11.73ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620435609 or 620435609. Listed at 16 retailers as of October 29, 2026, with prices from $2,699 to $13,016, a $10,317 spread on the same certified stone. Brilliant Earth lists it at $13,016. 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

11.73
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620435609
Dimensions12.81 × 12.60 × 7.89 mm
L/W Ratio1.02
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
12.81 mm12.60 mm11.73 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620435609
Side View
Table 63.0%Crown 37.9°Girdle: STK-VTKPavilion 32°Culet: NoneDepth 62.6%

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: $13,016 CAD|Low: $2,699 CAD|High: $13,422 CAD|Avg: $6,147 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
October 30, 2026
Retailer 2$2,699 CAD
Retailer 14$3,234 CAD
Retailer 3$3,351 CAD
Retailer 11$3,583 CAD
Retailer 4$4,118 CAD
Retailer 7$4,610 CAD
Retailer 9$4,789 CAD
Retailer 10$4,885 CAD
Retailer 8$5,088 CAD
Retailer 5$6,356 CAD
Retailer 6$8,307 CAD
Retailer 13$9,027 CAD
Retailer 12$9,530 CAD
Brilliant Earth$13,016 CAD

42 data points across 14 retailers

16 retailers$2,699 CAD to $13,016 CAD

A
Cheapest Retailer
-
$2,699 CAD
£1,519 GBP
A
Retailer 2
-
$3,234 CAD
$2,311 USD
View
Final sale: no returns
Retailer 3
-
$3,351 CAD
$2,394 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$3,583 CAD
$2,560 USD
View
A
Retailer 5
-
$4,118 CAD
$2,942 USD
View
A
Retailer 6
-
$4,610 CAD
£2,594 GBP
View
B+
Retailer 7
-
$4,789 CAD
$3,422 USD
View
A
Retailer 8
-
$4,885 CAD
$3,490 USD
View
A
Retailer 9
-
$5,088 CAD
€3,462 EUR
View
A
Retailer 10
-
$6,356 CAD
£3,576 GBP
View
B+
Retailer 11
-
$8,307 CAD
$5,935 USD
View
B+
Retailer 12
-
$9,027 CAD
$6,450 USD
View
B
Retailer 13
-
$9,530 CAD
$6,809 USD
View
B
Retailer 14
-
$11,033 CAD
$7,883 USD
View
B
Retailer 15
-
$11,721 CAD
$8,375 USD
View
Most Expensive
B
Brilliant Earth
10794619A · Oct 29
$13,016 CAD
$9,300 USD
View
15 more retailers have this diamond
Prices start from $2,699 CADSave up to $10,317 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
11.73ct Cushion
$2,699 CAD