Cushion|Lab Grown|IGI

12.72ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG605389037

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605389037

Diamond specifications and retailer prices

From $5,129 CAD
$3,672 USD
As of October 31, 2026
Save $18,911 CAD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $24,041 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.72ct lab-grown cushion diamond

This 12.72ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605389037 or 605389037. Listed at 14 retailers as of October 29, 2026, with prices from $5,129 to $24,041, a $18,911 spread on the same certified stone. Brilliant Earth lists it at $24,041. 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

12.72
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605389037
Dimensions13.49 × 12.81 × 7.99 mm
L/W Ratio1.05
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
13.49 mm12.81 mm12.72 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605389037
Side View
Table 64.0%Crown 34°Girdle: STK-VTKPavilion 30.5°Culet: NoneDepth 62.4%

Caratlytics Score

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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 31
Current: $24,041 CAD|Low: $3,663 CAD|High: $24,795 CAD|Avg: $10,223 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 29, 2026
Retailer 3$5,129 CAD
Retailer 13$5,314 CAD
Retailer 14$5,804 CAD
Retailer 11$6,701 CAD
Retailer 10$6,705 CAD
Retailer 4$8,111 CAD
Retailer 2$8,224 CAD
Retailer 12$8,247 CAD
Retailer 7$8,538 CAD
Retailer 9$9,906 CAD
Retailer 8$11,198 CAD
Retailer 5$14,741 CAD
Retailer 6$18,608 CAD
Brilliant Earth$24,041 CAD

33 data points across 14 retailers

14 retailers$5,129 CAD to $24,041 CAD

A
Cheapest Retailer
-
$5,129 CAD
$3,672 USD
Final sale: no returns
Retailer 2
-
$5,314 CAD
$3,804 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$5,804 CAD
$4,155 USD
View
A
Retailer 4
-
$6,701 CAD
$4,797 USD
View
A
Retailer 5
-
$6,705 CAD
$4,800 USD
View
A
Retailer 6
-
$8,111 CAD
£4,572 GBP
View
A
Retailer 7
-
$8,224 CAD
ZAR 95,106 ZAR
View
Retailer 8
-
$8,247 CAD
$5,904 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$8,538 CAD
€5,821 EUR
View
Retailer 10
-
$9,906 CAD
A$10,910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$11,198 CAD
$8,016 USD
View
B
Retailer 12
-
$14,741 CAD
$10,552 USD
View
B
Retailer 13
-
$18,608 CAD
$13,321 USD
View
Most Expensive
B
Brilliant Earth
20602204A · Oct 29
$24,041 CAD
$17,210 USD
View
13 more retailers have this diamond
Prices start from $5,129 CADSave up to $18,911 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
12.72ct Cushion
$5,129 CAD