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Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG674551681

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG674551681

Diamond specifications and retailer prices

From $403 CAD
$288 USD
As of October 28, 2026
Save $2,214 CAD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,617 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG674551681 or 674551681. Listed at 18 retailers as of October 28, 2026, with prices from $403 to $2,617, a $2,214 spread on the same certified stone. Brilliant Earth lists it at $2,617. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551681
Dimensions6.39 × 6.39 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.39 mm6.39 mm1.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551681
Side View
Table 61.0%Crown 35.6°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 68.4%

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 28
Current: $2,617 CAD|Low: $403 CAD|High: $2,687 CAD|Avg: $1,039 CAD|-2.6%
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 6$403 CAD
Retailer 4$448 CAD
Retailer 2$550 CAD
Retailer 3$602 CAD
Retailer 11$602 CAD
Retailer 10$769 CAD
Retailer 8$808 CAD
Retailer 5$809 CAD
Retailer 7$855 CAD
Retailer 9$1,089 CAD
Retailer 14$1,097 CAD
Retailer 13$1,722 CAD
Retailer 12$1,795 CAD
Brilliant Earth$2,617 CAD

41 data points across 14 retailers

18 retailers$403 CAD to $2,617 CAD

A
Cheapest Retailer
-
$403 CAD
$288 USD
Final sale: no returns
A
Retailer 2
-
$448 CAD
$320 USD
View
A
Retailer 3
-
$550 CAD
£309 GBP
View
A
Retailer 4
-
$602 CAD
$430 USD
View
A
Retailer 5
-
$602 CAD
$430 USD
View
A
Retailer 6
-
$769 CAD
ZAR 8,875 ZAR
View
A
Retailer 7
-
$808 CAD
€550 EUR
View
A
Retailer 8
-
$809 CAD
$578 USD
View
A
Retailer 9
-
$855 CAD
£481 GBP
View
B+
Retailer 10
-
$1,029 CAD
$735 USD
View
B+
Retailer 11
-
$1,089 CAD
A$1,197 AUD
View
B+
Retailer 12
-
$1,097 CAD
$784 USD
View
B+
Retailer 13
-
$1,510 CAD
$1,079 USD
View
Retailer 14
-
$1,722 CAD
$1,230 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,795 CAD
£1,010 GBP
View
B
Retailer 16
-
$1,929 CAD
$1,378 USD
View
Retailer 17
-
$2,113 CAD
$1,510 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21311597A · Oct 29
$2,617 CAD
$1,870 USD
View
17 more retailers have this diamond
Prices start from $403 CADSave up to $2,214 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
1.40ct Cushion
$403 CAD