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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG492129101

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG492129101

Diamond specifications and retailer prices

From $443 CAD
As of November 6, 2026
Save $3,073 CAD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,517 CAD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492129101 or 492129101. Listed at 11 retailers as of November 6, 2026, with prices from $443 to $3,517, a $3,073 spread on the same certified stone. Do Amore Diamonds lists it at $3,517. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492129101
Dimensions7.22 × 6.40 × 4.20 mm
L/W Ratio1.13
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
7.22 mm6.40 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492129101
Side View
Table 61.5%Crown 32.3°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 65.6%

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: Nov 6
Current: $3,517 CAD|Low: $383 CAD|High: $3,517 CAD|Avg: $1,333 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$443 CAD
Retailer 7$518 CAD
Retailer 8$658 CAD
Retailer 9$710 CAD
Retailer 2$956 CAD
Retailer 6$964 CAD
Retailer 5$1,518 CAD
Retailer 10$1,973 CAD
Retailer 4$2,168 CAD
Retailer 3$2,447 CAD
Do Amore Diamonds$3,517 CAD

43 data points across 11 retailers

11 retailers$443 CAD to $3,517 CAD

A
Cheapest Retailer
-
$443 CAD
Final sale: no returns
A
Retailer 2
-
$518 CAD
View
A
Retailer 3
-
$658 CAD
View
A
Retailer 4
-
$710 CAD
View
B+
Retailer 5
-
$956 CAD
View
B+
Retailer 6
-
$964 CAD
View
B
Retailer 7
-
$1,357 CAD
View
B
Retailer 8
-
$1,518 CAD
View
B
Retailer 9
-
$1,973 CAD
View
B
Retailer 10
-
$2,168 CAD
View
Most Expensive
B
Do Amore Diamonds
27-2F026FEA7 · Nov 6
$3,517 CAD
$2,500 USD
View
10 more retailers have this diamond
Prices start from $443 CADSave up to $3,073 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
1.50ct Cushion
$443 CAD