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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 $291 SGD
As of November 6, 2026
Save $1,216 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,507 SGD 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 $291 to $1,507, a $1,216 spread on the same certified stone. MOH London lists it at $1,507. 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
Colour
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

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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: Nov 6
Current: $1,507 SGD|Low: $170 SGD|High: $1,528 SGD|Avg: $675 SGD|-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$170 SGD
Retailer 9$291 SGD
Retailer 6$323 SGD
Retailer 2$545 SGD
Retailer 7$560 SGD
Retailer 3$587 SGD
Retailer 8$739 SGD
Retailer 4$891 SGD
Retailer 5$1,102 SGD
MOH London$1,507 SGD

44 data points across 10 retailers

11 retailers$291 SGD to $1,507 SGD

A
Cheapest Retailer
-
$291 SGD
Final sale: no returns
Retailer 2
-
$323 SGD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$545 SGD
View
A
Retailer 4
-
$560 SGD
View
A
Retailer 5
-
$587 SGD
View
A
Retailer 6
-
$627 SGD
View
B+
Retailer 7
-
$739 SGD
View
B+
Retailer 8
-
$891 SGD
View
B
Retailer 9
-
$1,102 SGD
View
B
Retailer 10
-
$1,106 SGD
View
Most Expensive
B
MOH London
LG614336597 · Nov 5
$1,507 SGD
£926 GBP
View
10 more retailers have this diamond
Prices start from $291 SGDSave up to $1,216 SGD

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
$291 SGD