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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG611376100

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG611376100

Diamond specifications and retailer prices

From $6,620 AUD
$4,650 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $6,620 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG611376100 or 611376100. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611376100
Dimensions8.41 × 8.37 × 5.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.41 mm8.37 mm3.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611376100
Side View
Table 61.0%Crown 35.7°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 66.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,620 AUD|Low: $5,064 AUD|High: $6,961 AUD|Avg: $6,037 AUD|-4.9%
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$5,064 AUD
Brilliant Earth$6,620 AUD

6 data points across 2 retailers

1 retailer

B
Brilliant Earth
8780863B · Oct 29
$6,620 AUD
$4,650 USD
View

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B
3.04ct Cushion
$6,620 AUD