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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG529245188

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG529245188

Diamond specifications and retailer prices

From $398 CAD
As of November 6, 2026
Save $1,367 CAD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,765 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529245188 or 529245188. Listed at 14 retailers as of November 2, 2026, with prices from $398 to $1,765, a $1,367 spread on the same certified stone. MOH London lists it at $1,765. 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

1.53
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529245188
Dimensions6.65 × 6.60 × 4.50 mm
L/W Ratio1.01
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
6.65 mm6.60 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529245188
Side View
Table 64.0%Crown 35.2°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 68.2%

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: $1,765 CAD|Low: $440 CAD|High: $1,786 CAD|Avg: $1,004 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$440 CAD
Retailer 3$487 CAD
Retailer 10$591 CAD
Retailer 6$668 CAD
Retailer 2$786 CAD
Retailer 4$828 CAD
Retailer 5$1,120 CAD
Retailer 9$1,449 CAD
Retailer 7$1,618 CAD
MOH London$1,765 CAD

41 data points across 10 retailers

14 retailers$398 CAD to $1,765 CAD

A
Cheapest Retailer
-
$398 CAD
Final sale: no returns
Retailer 2
-
$440 CAD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$487 CAD
View
B+
Retailer 4
-
$591 CAD
View
A
Retailer 5
-
$668 CAD
View
A
Retailer 6
-
$734 CAD
View
A
Retailer 7
-
$786 CAD
View
A
Retailer 8
-
$812 CAD
View
A
Retailer 9
-
$828 CAD
View
B+
Retailer 10
-
$1,120 CAD
View
Retailer 11
-
$1,449 CAD
View
Price last confirmed 16 days ago
B
Retailer 12
-
$1,488 CAD
View
B
Retailer 13
-
$1,618 CAD
View
Most Expensive
B
MOH London
LG529245188 · Nov 2
$1,765 CAD
£988 GBP
View
13 more retailers have this diamond
Prices start from $398 CADSave up to $1,367 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
1.53ct Cushion
$398 CAD