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Cushion|Lab Grown|IGI

1.53ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG425067812

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG425067812

Diamond specifications and retailer prices

From $1,903 CAD
$1,360 USD
As of October 28, 2026
Save $4,997 CAD (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,900 CAD at MOH London · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067812 or 425067812. Listed at 6 retailers as of October 27, 2026, with prices from $1,903 to $6,900, a $4,997 spread on the same certified stone. MOH London lists it at $6,900. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067812
Dimensions7.06 × 6.82 × 4.55 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.06 mm6.82 mm1.53 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067812
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,900 CAD|Low: $1,903 CAD|High: $6,975 CAD|Avg: $3,479 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 2$1,903 CAD
Retailer 5$2,069 CAD
Retailer 4$2,146 CAD
Retailer 6$2,386 CAD
Retailer 7$2,950 CAD
Retailer 3$3,393 CAD
Retailer 8$6,141 CAD
MOH London$6,900 CAD

10 data points across 8 retailers

6 retailers$1,903 CAD to $6,900 CAD

B+
Cheapest Retailer
-
$1,903 CAD
$1,360 USD
B+
Retailer 2
-
$2,069 CAD
$1,478 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,146 CAD
$1,533 USD
View
Price last confirmed 16 days ago
B
Retailer 4
-
$2,386 CAD
$1,705 USD
View
B
Retailer 5
-
$3,393 CAD
$2,424 USD
View
Most Expensive
B
MOH London
LG425067812 · Oct 27
$6,900 CAD
£3,882 GBP
View
5 more retailers have this diamond
Prices start from $1,903 CADSave up to $4,997 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.

B+
1.53ct Cushion
$1,903 CAD