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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG647483488

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647483488

Diamond specifications and retailer prices

From $932 AUD
$655 USD
As of October 31, 2026
Save $4,164 AUD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,096 AUD at Brilliant Earth · As of October 29, 2026
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 LG647483488 or 647483488. Listed at 9 retailers as of October 29, 2026, with prices from $932 to $5,096, a $4,164 spread on the same certified stone. Brilliant Earth lists it at $5,096. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647483488
Dimensions9.73 × 7.78 × 5.29 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm7.78 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647483488
Side View
Table 64.0%Crown 29.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 68.0%

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 31
Current: $5,096 AUD|Low: $757 AUD|High: $5,694 AUD|Avg: $1,749 AUD|-10.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5$757 AUD
Retailer 6$932 AUD
Retailer 7$989 AUD
Retailer 3$1,052 AUD
Retailer 2$1,106 AUD
Retailer 8$1,172 AUD
Retailer 9$1,407 AUD
Retailer 4$2,417 AUD
Brilliant Earth$5,096 AUD

38 data points across 9 retailers

9 retailers$932 AUD to $5,096 AUD

Retailer 1
-
$757 AUD
£419 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$932 AUD
$655 USD
View
B+
Retailer 3
-
$989 AUD
$695 USD
View
A
Retailer 4
-
$1,052 AUD
€704 EUR
View
A
Retailer 5
-
$1,106 AUD
£612 GBP
View
A
Retailer 6
-
$1,172 AUD
$823 USD
View
A
Retailer 7
-
$1,407 AUD
$988 USD
View
B+
Retailer 8
-
$2,417 AUD
£1,337 GBP
View
Most Expensive
B
Brilliant Earth
11456151A · Oct 29
$5,096 AUD
$3,580 USD
View
8 more retailers have this diamond
Prices start from $932 AUDSave up to $4,164 AUD

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
3.04ct Cushion
$932 AUD