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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 $409 NZD
As of November 6, 2026
Save $1,712 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,121 NZD 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 $409 to $2,121, a $1,712 spread on the same certified stone. MOH London lists it at $2,121. 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: $2,121 NZD|Low: $240 NZD|High: $2,151 NZD|Avg: $950 NZD|-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$240 NZD
Retailer 9$409 NZD
Retailer 6$455 NZD
Retailer 2$767 NZD
Retailer 7$788 NZD
Retailer 3$826 NZD
Retailer 8$1,041 NZD
Retailer 4$1,254 NZD
Retailer 5$1,551 NZD
MOH London$2,121 NZD

44 data points across 10 retailers

11 retailers$409 NZD to $2,121 NZD

A
Cheapest Retailer
-
$409 NZD
Final sale: no returns
Retailer 2
-
$455 NZD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$767 NZD
View
A
Retailer 4
-
$788 NZD
View
A
Retailer 5
-
$826 NZD
View
A
Retailer 6
-
$882 NZD
View
B+
Retailer 7
-
$1,041 NZD
View
B+
Retailer 8
-
$1,254 NZD
View
B
Retailer 9
-
$1,551 NZD
View
B
Retailer 10
-
$1,557 NZD
View
Most Expensive
B
MOH London
LG614336597 · Nov 5
$2,121 NZD
£926 GBP
View
10 more retailers have this diamond
Prices start from $409 NZDSave up to $1,712 NZD

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
$409 NZD