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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 $355 SGD
$277 USD
As of October 28, 2026
Save $1,165 SGD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,520 SGD 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 $355 to $1,520, a $1,165 spread on the same certified stone. MOH London lists it at $1,520. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,520 SGD|Low: $323 SGD|High: $1,532 SGD|Avg: $661 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$355 SGD
Retailer 2$366 SGD
Retailer 4$486 SGD
Retailer 7$564 SGD
Retailer 5$679 SGD
Retailer 6$679 SGD
MOH London$1,520 SGD

33 data points across 7 retailers

4 retailers$355 SGD to $1,520 SGD

A
Cheapest Retailer
-
$355 SGD
$277 USD
A
Retailer 2
-
$366 SGD
£225 GBP
View
B+
Retailer 3
-
$486 SGD
$379 USD
View
Most Expensive
B
MOH London
LG512241228 · Oct 29
$1,520 SGD
£934 GBP
View
3 more retailers have this diamond
Prices start from $355 SGDSave up to $1,165 SGD

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
$355 SGD