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Cushion|Lab Grown|IGI

12.36ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG729591057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729591057

Diamond specifications and retailer prices

From $4,582 CAD
$3,280 USD
As of October 31, 2026
Save $23,454 CAD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $28,036 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.36ct lab-grown cushion diamond

This 12.36ct 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 LG729591057 or 729591057. Listed at 13 retailers as of October 31, 2026, with prices from $4,582 to $28,036, a $23,454 spread on the same certified stone. Brilliant Earth lists it at $28,036. 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

12.36
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729591057
Dimensions13.38 × 12.46 × 7.99 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.38 mm12.46 mm12.36 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729591057
Side View
Table 63.0%Crown 34.2°Girdle: THK-VTKPavilion 30.2°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $28,036 CAD|Low: $4,579 CAD|High: $28,916 CAD|Avg: $9,983 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
November 1, 2026
Retailer 10$4,579 CAD
Retailer 8$4,582 CAD
Retailer 13$5,201 CAD
Retailer 6$6,187 CAD
Retailer 7$7,090 CAD
Retailer 12$7,123 CAD
Retailer 3$7,898 CAD
Retailer 9$8,032 CAD
Retailer 2$8,485 CAD
Retailer 11$11,503 CAD
Retailer 4$12,748 CAD
Retailer 5$13,436 CAD
Brilliant Earth$28,036 CAD

37 data points across 13 retailers

13 retailers$4,582 CAD to $28,036 CAD

Retailer 1
-
$4,579 CAD
$3,278 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$4,582 CAD
$3,280 USD
View
A
Retailer 3
-
$5,201 CAD
$3,723 USD
View
A
Retailer 4
-
$6,187 CAD
£3,488 GBP
View
A
Retailer 5
-
$7,090 CAD
ZAR 81,990 ZAR
View
A
Retailer 6
-
$7,123 CAD
$5,099 USD
View
B+
Retailer 7
-
$7,898 CAD
£4,452 GBP
View
B+
Retailer 8
-
$8,032 CAD
€5,476 EUR
View
B+
Retailer 9
-
$8,485 CAD
A$9,345 AUD
View
B+
Retailer 10
-
$11,503 CAD
$8,235 USD
View
B
Retailer 11
-
$12,748 CAD
$9,126 USD
View
B
Retailer 12
-
$15,958 CAD
$11,424 USD
View
Most Expensive
B
Brilliant Earth
16273365A · Oct 31
$28,036 CAD
$20,070 USD
View
12 more retailers have this diamond
Prices start from $4,582 CADSave up to $23,454 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
12.36ct Cushion
$4,582 CAD