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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG524208994

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG524208994

Diamond specifications and retailer prices

From $321 CAD
$230 USD
As of October 30, 2026
Save $468 CAD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,752 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524208994 or 524208994. Listed at 8 retailers as of October 30, 2026, with a 146% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524208994
Dimensions6.00 × 5.52 × 3.56 mm
L/W Ratio1.09
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
6.00 mm5.52 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524208994
Side View
Table 58.0%Crown 37.3°Girdle: STK-VTKPavilion 30.9°Culet: NoneDepth 64.5%

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 30
Current: $731 CAD|Low: $229 CAD|High: $1,590 CAD|Avg: $680 CAD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$321 CAD
Retailer 7$334 CAD
Retailer 3$355 CAD
Retailer 4$613 CAD
Retailer 1$731 CAD
Retailer 6$789 CAD
Retailer 2$1,579 CAD

41 data points across 7 retailers

8 retailers$321 CAD to $789 CAD

A
Cheapest Retailer
-
$321 CAD
$230 USD
Final sale: no returns
A
Retailer 2
-
$334 CAD
$239 USD
View
A
Retailer 3
-
$355 CAD
$254 USD
View
B+
Retailer 4
-
$613 CAD
$439 USD
View
B+
Retailer 5
-
$731 CAD
£412 GBP
View
B+
Retailer 6
-
$789 CAD
$565 USD
View
Retailer 7
-
$1,579 CAD
£890 GBP
View
Price last confirmed 12 days ago
Most Expensive
Do Amore Diamonds
27-7B77C9140 · Oct 31
$2,752 CAD
$1,970 USD
View
Price under review
7 more retailers have this diamond
Prices start from $321 CADSave up to $468 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
1.01ct Cushion
$321 CAD