Cushion|Lab Grown|IGI

0.73ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG468187305

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG468187305

Diamond specifications and retailer prices

From $273 USD
As of October 28, 2026
Save $875 USD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,148 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468187305 or 468187305. Listed at 3 retailers as of October 25, 2026, with prices from $273 to $1,148, a $875 spread on the same certified stone. MOH London lists it at $1,148. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468187305
Dimensions5.32 × 5.16 × 3.54 mm
L/W Ratio1.03
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
5.32 mm5.16 mm0.73 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG468187305
Side View
Table 61.0%Crown 35.6°Girdle: MED-VTKPavilion 40.5°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,148 USD|Low: $188 USD|High: $1,160 USD|Avg: $647 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 2$273 USD
Retailer 3$376 USD
Retailer 4$680 USD
Retailer 5$710 USD
Retailer 6$710 USD
MOH London$1,148 USD

9 data points across 6 retailers

3 retailers$273 USD to $1,148 USD

B+
Cheapest Retailer
-
$273 USD
B+
Retailer 2
-
$376 USD
View
Most Expensive
B
MOH London
LG468187305 · Oct 25
$1,148 USD
£904 GBP
View
2 more retailers have this diamond
Prices start from $273 USDSave up to $875 USD

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.

B+
0.73ct Cushion
$273 USD