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Cushion|Lab Grown|IGI

0.73ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG559281522

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG559281522

Diamond specifications and retailer prices

From HK$1,922 HKD
$245 USD
As of October 28, 2026
Save HK$9,198 HKD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$11,121 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 0.73ct lab-grown cushion diamond

This 0.73ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG559281522 or 559281522. Listed at 7 retailers as of October 25, 2026, with prices from HK$1,922 to HK$11,121, a HK$9,198 spread on the same certified stone. MOH London lists it at HK$11,121. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281522
Dimensions5.70 × 4.75 × 3.23 mm
L/W Ratio1.20
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
5.70 mm4.75 mm0.73 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281522
Side View
Table 58.0%Crown 32.3°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 68.0%

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 28
Current: HK$11,121 HKD|Low: HK$1,334 HKD|High: HK$11,240 HKD|Avg: HK$3,648 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5HK$1,334 HKD
Retailer 4HK$1,922 HKD
Retailer 2HK$2,255 HKD
Retailer 7HK$2,487 HKD
Retailer 3HK$2,898 HKD
Retailer 6HK$3,758 HKD
MOH LondonHK$11,121 HKD

25 data points across 7 retailers

7 retailersHK$1,922 HKD to HK$11,121 HKD

A
Retailer 1
-
HK$1,334 HKD
$170 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
HK$1,922 HKD
$245 USD
View
B+
Retailer 3
-
HK$2,255 HKD
£226 GBP
View
B+
Retailer 4
-
HK$2,487 HKD
$317 USD
View
B+
Retailer 5
-
HK$2,898 HKD
£291 GBP
View
B
Retailer 6
-
HK$3,758 HKD
$479 USD
View
Most Expensive
B
MOH London
LG559281522 · Oct 25
HK$11,121 HKD
£1,116 GBP
View
6 more retailers have this diamond
Prices start from HK$1,922 HKDSave up to HK$9,198 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
0.73ct Cushion
HK$1,922 HKD