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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 $245 USD
As of October 28, 2026
Save $1,172 USD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,417 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 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 $245 to $1,417, a $1,172 spread on the same certified stone. MOH London lists it at $1,417. 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
Color
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: $1,417 USD|Low: $170 USD|High: $1,433 USD|Avg: $465 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$170 USD
Retailer 4$245 USD
Retailer 2$287 USD
Retailer 7$317 USD
Retailer 3$369 USD
Retailer 6$479 USD
MOH London$1,417 USD

25 data points across 7 retailers

7 retailers$245 USD to $1,417 USD

A
Retailer 1
-
$170 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$245 USD
View
B+
Retailer 3
-
$287 USD
£226 GBP
View
B+
Retailer 4
-
$317 USD
View
B+
Retailer 5
-
$369 USD
£291 GBP
View
B
Retailer 6
-
$479 USD
View
Most Expensive
B
MOH London
LG559281522 · Oct 25
$1,417 USD
£1,116 GBP
View
6 more retailers have this diamond
Prices start from $245 USDSave up to $1,172 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.

A
0.73ct Cushion
$245 USD