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 $3,280 USD
As of November 2, 2026
Save $16,790 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,070 USD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $3,280 to $20,070, a $16,790 spread on the same certified stone. Brilliant Earth lists it at $20,070. 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: Nov 2
Current: $20,070 USD|Low: $3,278 USD|High: $20,700 USD|Avg: $6,903 USD|-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
November 2, 2026
Retailer 9$3,278 USD
Retailer 8$3,280 USD
Retailer 12$3,723 USD
Retailer 5$4,393 USD
Retailer 7$5,075 USD
Retailer 11$5,099 USD
Retailer 3$5,654 USD
Retailer 2$5,754 USD
Retailer 6$6,074 USD
Retailer 10$8,235 USD
Retailer 4$9,126 USD
Brilliant Earth$20,070 USD

37 data points across 12 retailers

13 retailers$3,280 USD to $20,070 USD

Retailer 1
-
$3,278 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$3,280 USD
View
A
Retailer 3
-
$3,723 USD
View
A
Retailer 4
-
$4,393 USD
£3,459 GBP
View
A
Retailer 5
-
$5,075 USD
ZAR 81,990 ZAR
View
A
Retailer 6
-
$5,099 USD
View
B+
Retailer 7
-
$5,654 USD
£4,452 GBP
View
B+
Retailer 8
-
$5,754 USD
€5,480 EUR
View
B+
Retailer 9
-
$6,074 USD
A$9,345 AUD
View
B+
Retailer 10
-
$8,235 USD
View
B
Retailer 11
-
$9,126 USD
View
B
Retailer 12
-
$11,424 USD
View
Most Expensive
B
Brilliant Earth
16273365A · Nov 2
$20,070 USD
View
12 more retailers have this diamond
Prices start from $3,280 USDSave up to $16,790 USD

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
$3,280 USD