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Cushion|Lab Grown|IGI

5.09ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG596332450

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG596332450

Diamond specifications and retailer prices

From HK$5,821 HKD
£584 GBP
As of October 30, 2026
Save HK$18,392 HKD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$24,213 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 5.09ct lab-grown cushion diamond

This 5.09ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596332450 or 596332450. Listed at 8 retailers as of October 29, 2026, with prices from HK$5,821 to HK$24,213, a HK$18,392 spread on the same certified stone. MOH London lists it at HK$24,213. 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

5.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596332450
Dimensions11.67 × 9.35 × 6.31 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.67 mm9.35 mm5.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596332450
Side View
Table 61.0%Crown 32.4°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.5%

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: Oct 30
Current: HK$24,213 HKD|Low: HK$5,821 HKD|High: HK$52,610 HKD|Avg: HK$21,662 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2HK$5,821 HKD
Retailer 9HK$6,126 HKD
Retailer 7HK$6,590 HKD
Retailer 8HK$8,434 HKD
Retailer 11HK$8,536 HKD
Retailer 6HK$8,659 HKD
Retailer 12HK$11,064 HKD
Retailer 10HK$16,029 HKD
MOH LondonHK$24,213 HKD
Retailer 5HK$34,157 HKD
Retailer 4HK$38,551 HKD
Retailer 3HK$51,076 HKD
Retailer 13HK$52,610 HKD

3 data points across 13 retailers

8 retailersHK$5,821 HKD to HK$24,213 HKD

A
Cheapest Retailer
-
HK$5,821 HKD
£584 GBP
A
Retailer 2
-
HK$6,126 HKD
View
A
Retailer 3
-
HK$6,590 HKD
$840 USD
View
A
Retailer 4
-
HK$8,434 HKD
$1,075 USD
View
B+
Retailer 5
-
HK$8,536 HKD
$1,088 USD
View
A
Retailer 6
-
HK$8,659 HKD
£869 GBP
View
B+
Retailer 7
-
HK$16,029 HKD
$2,043 USD
View
Most Expensive
B
MOH London
LG596332450 · Oct 29
HK$24,213 HKD
£2,430 GBP
View
7 more retailers have this diamond
Prices start from HK$5,821 HKDSave up to HK$18,392 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
5.09ct Cushion
HK$5,821 HKD