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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG784687613

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG784687613

Diamond specifications and retailer prices

From $643 AUD
As of November 6, 2026
Save $5,746 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,389 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG784687613 or 784687613. Listed at 13 retailers as of November 6, 2026, with prices from $643 to $6,389, a $5,746 spread on the same certified stone. Brilliant Earth lists it at $6,389. 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

3.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784687613
Dimensions11.31 × 7.32 × 4.61 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm7.32 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784687613
Side View
Table 68.0%Crown 35.7°Girdle: MED-STKPavilion 39.6°Culet: LargeDepth 63.0%

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: Nov 6
Current: $6,389 AUD|Low: $643 AUD|High: $6,389 AUD|Avg: $1,636 AUD|+65.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3$643 AUD
Retailer 10$715 AUD
Retailer 6$931 AUD
Retailer 7$1,138 AUD
Retailer 5$1,161 AUD
Retailer 8$1,223 AUD
Retailer 12$1,265 AUD
Retailer 11$1,412 AUD
Retailer 4$1,438 AUD
Retailer 2$2,417 AUD
Retailer 9$2,807 AUD
Brilliant Earth$6,389 AUD

43 data points across 12 retailers

13 retailers$643 AUD to $6,389 AUD

A
Cheapest Retailer
-
$643 AUD
Final sale: no returns
A
Retailer 2
-
$715 AUD
View
A
Retailer 3
-
$931 AUD
View
A
Retailer 4
-
$1,138 AUD
View
A
Retailer 5
-
$1,161 AUD
View
B+
Retailer 6
-
$1,223 AUD
View
A
Retailer 7
-
$1,265 AUD
View
A
Retailer 8
-
$1,412 AUD
View
A
Retailer 9
-
$1,438 AUD
View
B+
Retailer 10
-
$2,350 AUD
View
B+
Retailer 11
-
$2,417 AUD
View
Retailer 12
-
$2,807 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20664997A · Nov 6
$6,389 AUD
$4,390 USD
View
12 more retailers have this diamond
Prices start from $643 AUDSave up to $5,746 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
3.01ct Cushion
$643 AUD