Cushion|Lab Grown|IGI

1.40ct D IF Cushion Lab Grown Diamond

D/IF • IGI LG768632638

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG768632638

Diamond specifications and retailer prices

From $492 CAD
$352 USD
As of October 30, 2026
Save $3,140 CAD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,632 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768632638 or 768632638. Listed at 13 retailers as of October 30, 2026, with prices from $492 to $3,632, a $3,140 spread on the same certified stone. Do Amore Diamonds lists it at $3,632. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.40
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632638
Dimensions6.46 × 6.25 × 4.42 mm
L/W Ratio1.03
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
6.46 mm6.25 mm1.40 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632638
Side View
Table 61.0%Crown 37.3°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 70.7%

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: $3,632 CAD|Low: $352 CAD|High: $4,275 CAD|Avg: $1,843 CAD|-4.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 5$492 CAD
Retailer 3$719 CAD
Retailer 10$738 CAD
Retailer 11$831 CAD
Retailer 7$931 CAD
Retailer 4$1,123 CAD
Retailer 9$1,364 CAD
Retailer 12$1,586 CAD
Retailer 8$2,253 CAD
Retailer 13$2,906 CAD
Retailer 2$2,926 CAD
Retailer 6$3,283 CAD
Do Amore Diamonds$3,632 CAD

30 data points across 13 retailers

13 retailers$492 CAD to $3,632 CAD

A
Cheapest Retailer
-
$492 CAD
$352 USD
Final sale: no returns
A
Retailer 2
-
$719 CAD
$515 USD
View
A
Retailer 3
-
$738 CAD
$528 USD
View
B+
Retailer 4
-
$831 CAD
$595 USD
View
A
Retailer 5
-
$931 CAD
€635 EUR
View
A
Retailer 6
-
$1,123 CAD
$804 USD
View
A
Retailer 7
-
$1,364 CAD
A$1,502 AUD
View
B+
Retailer 8
-
$1,586 CAD
$1,135 USD
View
B+
Retailer 9
-
$2,253 CAD
£1,270 GBP
View
Retailer 10
-
$2,906 CAD
$2,080 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$2,926 CAD
A$3,223 AUD
View
B
Retailer 12
-
$3,283 CAD
$2,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-BBE79FD92 · Oct 30
$3,632 CAD
$2,600 USD
View
12 more retailers have this diamond
Prices start from $492 CADSave up to $3,140 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
$492 CAD