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Cushion|Lab Grown|IGI

1.56ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG538298330

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG538298330

Diamond specifications and retailer prices

From $299 CAD
$213 USD
As of October 28, 2026
Save $1,471 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,770 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.56ct lab-grown cushion diamond

This 1.56ct 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 LG538298330 or 538298330. Listed at 13 retailers as of October 28, 2026, with prices from $299 to $1,770, a $1,471 spread on the same certified stone. Brilliant Earth lists it at $1,770. 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

1.56
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298330
Dimensions7.63 × 6.06 × 3.93 mm
L/W Ratio1.26
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
7.63 mm6.06 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538298330
Side View
Table 58.5%Crown 36.2°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 64.9%

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 28
Current: $1,770 CAD|Low: $299 CAD|High: $1,910 CAD|Avg: $809 CAD|-7.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$299 CAD
Retailer 7$333 CAD
Retailer 4$450 CAD
Retailer 2$549 CAD
Retailer 5$603 CAD
Retailer 10$665 CAD
Retailer 8$803 CAD
Retailer 6$841 CAD
Retailer 3$1,563 CAD
Brilliant Earth$1,770 CAD

43 data points across 10 retailers

13 retailers$299 CAD to $1,770 CAD

A
Cheapest Retailer
-
$299 CAD
$213 USD
Final sale: no returns
A
Retailer 2
-
$333 CAD
$237 USD
View
B+
Retailer 3
-
$450 CAD
$320 USD
View
A
Retailer 4
-
$549 CAD
€372 EUR
View
A
Retailer 5
-
$603 CAD
£338 GBP
View
A
Retailer 6
-
$665 CAD
$474 USD
View
A
Retailer 7
-
$670 CAD
$477 USD
View
B+
Retailer 8
-
$803 CAD
$572 USD
View
B+
Retailer 9
-
$841 CAD
$599 USD
View
B+
Retailer 10
-
$1,145 CAD
$815 USD
View
B
Retailer 11
-
$1,563 CAD
£876 GBP
View
B
Retailer 12
-
$1,636 CAD
$1,165 USD
View
Most Expensive
B
Brilliant Earth
10789106A · Oct 28
$1,770 CAD
$1,260 USD
View
12 more retailers have this diamond
Prices start from $299 CADSave up to $1,471 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
1.56ct Cushion
$299 CAD