CaratHunter
Plans
Cushion|Lab Grown|IGI

1.35ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG614336597

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG614336597

Diamond specifications and retailer prices

From $319 CAD
As of November 6, 2026
Save $1,335 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,654 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown cushion diamond

This 1.35ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614336597 or 614336597. Listed at 11 retailers as of November 5, 2026, with prices from $319 to $1,654, a $1,335 spread on the same certified stone. MOH London lists it at $1,654. 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

1.35
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614336597
Dimensions6.47 × 6.40 × 4.33 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
6.47 mm6.40 mm1.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614336597
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,654 CAD|Low: $187 CAD|High: $1,677 CAD|Avg: $741 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$187 CAD
Retailer 9$319 CAD
Retailer 6$354 CAD
Retailer 2$598 CAD
Retailer 7$615 CAD
Retailer 3$644 CAD
Retailer 8$812 CAD
Retailer 4$978 CAD
Retailer 5$1,210 CAD
MOH London$1,654 CAD

44 data points across 10 retailers

11 retailers$319 CAD to $1,654 CAD

A
Cheapest Retailer
-
$319 CAD
Final sale: no returns
Retailer 2
-
$354 CAD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$598 CAD
View
A
Retailer 4
-
$615 CAD
View
A
Retailer 5
-
$644 CAD
View
A
Retailer 6
-
$688 CAD
View
B+
Retailer 7
-
$812 CAD
View
B+
Retailer 8
-
$978 CAD
View
B
Retailer 9
-
$1,210 CAD
View
B
Retailer 10
-
$1,214 CAD
View
Most Expensive
B
MOH London
LG614336597 · Nov 5
$1,654 CAD
£926 GBP
View
10 more retailers have this diamond
Prices start from $319 CADSave up to $1,335 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
1.35ct Cushion
$319 CAD