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Cushion|Lab Grown|IGI

0.73ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG512241228

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG512241228

Diamond specifications and retailer prices

From HK$2,173 HKD
$277 USD
As of October 28, 2026
Save HK$7,134 HKD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$9,307 HKD at MOH London · As of October 29, 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 top-tier cut grade and certified by IGI LG512241228 or 512241228. Listed at 4 retailers as of October 28, 2026, with prices from HK$2,173 to HK$9,307, a HK$7,134 spread on the same certified stone. MOH London lists it at HK$9,307. 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

0.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512241228
Dimensions5.29 × 5.22 × 3.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.29 mm5.22 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512241228
Side View
Table 58.0%Crown 35°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 68.2%

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$9,307 HKD|Low: HK$1,977 HKD|High: HK$9,377 HKD|Avg: HK$4,044 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3HK$2,173 HKD
Retailer 2HK$2,241 HKD
Retailer 4HK$2,974 HKD
Retailer 7HK$3,452 HKD
Retailer 5HK$4,159 HKD
Retailer 6HK$4,159 HKD
MOH LondonHK$9,307 HKD

33 data points across 7 retailers

4 retailersHK$2,173 HKD to HK$9,307 HKD

A
Cheapest Retailer
-
HK$2,173 HKD
$277 USD
A
Retailer 2
-
HK$2,241 HKD
£225 GBP
View
B+
Retailer 3
-
HK$2,974 HKD
$379 USD
View
Most Expensive
B
MOH London
LG512241228 · Oct 29
HK$9,307 HKD
£934 GBP
View
3 more retailers have this diamond
Prices start from HK$2,173 HKDSave up to HK$7,134 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$2,173 HKD