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Cushion|Lab Grown|IGI

1.57ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $480 CAD
£270 GBP
As of October 27, 2026
Save $570 CAD (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,050 CAD at Diamond Exchange Canada · As of October 27, 2026
View at Diamond Exchange Canada

About this 1.57ct lab-grown cushion diamond

This 1.57ct 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. Listed at 2 retailers as of October 27, 2026, with prices from $480 to $1,050, a $570 spread on the same certified stone. Diamond Exchange Canada lists it at $1,050. 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

1.57
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.56 × 5.88 × 0.00 mm
L/W Ratio1.46
Top View
8.56 mm5.88 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCuletDepth 66.8%

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 27
Current: $1,050 CAD|Low: $478 CAD|High: $1,103 CAD|Avg: $773 CAD|-4.9%
Diamond Exchange Canada
Retailer 2
October 27, 2026
Retailer 2$480 CAD
Diamond Exchange Canada$1,050 CAD

10 data points across 2 retailers

2 retailers$480 CAD to $1,050 CAD

A
Cheapest Retailer
-
$480 CAD
£270 GBP
Most Expensive
B
Diamond Exchange Canada
1768920957 · Oct 27
$1,050 CAD
View
1 more retailer has this diamond
Prices start from $480 CADSave up to $570 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
1.57ct Cushion
$480 CAD