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Cushion|Lab Grown|IGI

1.51ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG541253650

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG541253650

Diamond specifications and retailer prices

From $356 CAD
As of November 6, 2026
Save $1,441 CAD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,797 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 very-good cut grade and certified by IGI LG541253650 or 541253650. Listed at 11 retailers as of November 6, 2026, with prices from $356 to $1,797, a $1,441 spread on the same certified stone. Reve Diamonds lists it at $1,797. 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

1.51
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541253650
Dimensions8.09 × 5.78 × 3.97 mm
L/W Ratio1.40
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
8.09 mm5.78 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541253650
Side View
Table 61.0%Crown 32.8°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 68.7%

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: Nov 6
Current: $632 CAD|Low: $354 CAD|High: $1,797 CAD|Avg: $834 CAD|+10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 6, 2026
Retailer 10$356 CAD
Retailer 2$395 CAD
Retailer 3$502 CAD
Retailer 7$532 CAD
Retailer 1$632 CAD
Retailer 9$651 CAD
Retailer 4$729 CAD
Retailer 6$750 CAD
Retailer 8$1,342 CAD
Retailer 5$1,577 CAD
Reve Diamonds$1,797 CAD

41 data points across 11 retailers

11 retailers$356 CAD to $1,797 CAD

A
Cheapest Retailer
-
$356 CAD
Final sale: no returns
Retailer 2
-
$395 CAD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$502 CAD
View
B+
Retailer 4
-
$532 CAD
View
A
Retailer 5
-
$632 CAD
View
A
Retailer 6
-
$651 CAD
View
B+
Retailer 7
-
$729 CAD
View
B+
Retailer 8
-
$750 CAD
View
B
Retailer 9
-
$1,342 CAD
View
B
Retailer 10
-
$1,577 CAD
View
Most Expensive
B
Reve Diamonds
1DAE62A6A · Nov 6
$1,797 CAD
$1,278 USD
View
10 more retailers have this diamond
Prices start from $356 CADSave up to $1,441 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
1.51ct Cushion
$356 CAD