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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 HK$1,779 HKD
As of November 6, 2026
Save HK$7,438 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$9,217 HKD 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 HK$1,779 to HK$9,217, a HK$7,438 spread on the same certified stone. MOH London lists it at HK$9,217. 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

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: Nov 6
Current: HK$9,217 HKD|Low: HK$1,042 HKD|High: HK$9,346 HKD|Avg: HK$4,128 HKD|-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 10HK$1,042 HKD
Retailer 9HK$1,779 HKD
Retailer 6HK$1,975 HKD
Retailer 2HK$3,331 HKD
Retailer 7HK$3,425 HKD
Retailer 3HK$3,590 HKD
Retailer 8HK$4,522 HKD
Retailer 4HK$5,447 HKD
Retailer 5HK$6,740 HKD
MOH LondonHK$9,217 HKD

44 data points across 10 retailers

11 retailersHK$1,779 HKD to HK$9,217 HKD

A
Cheapest Retailer
-
HK$1,779 HKD
Final sale: no returns
Retailer 2
-
HK$1,975 HKD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$3,331 HKD
View
A
Retailer 4
-
HK$3,425 HKD
View
A
Retailer 5
-
HK$3,590 HKD
View
A
Retailer 6
-
HK$3,832 HKD
View
B+
Retailer 7
-
HK$4,522 HKD
View
B+
Retailer 8
-
HK$5,447 HKD
View
B
Retailer 9
-
HK$6,740 HKD
View
B
Retailer 10
-
HK$6,764 HKD
View
Most Expensive
B
MOH London
LG614336597 · Nov 5
HK$9,217 HKD
£926 GBP
View
10 more retailers have this diamond
Prices start from HK$1,779 HKDSave up to HK$7,438 HKD

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
HK$1,779 HKD