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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG754522117

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG754522117

Diamond specifications and retailer prices

From $738 AUD
As of November 6, 2026
Save $4,574 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,312 AUD at Brilliant Earth · As of November 7, 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 LG754522117 or 754522117. Listed at 16 retailers as of November 6, 2026, with prices from $738 to $5,312, a $4,574 spread on the same certified stone. Brilliant Earth lists it at $5,312. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754522117
Dimensions8.63 × 8.62 × 5.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.62 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754522117
Side View
Table 63.0%Crown 38.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

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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: $5,312 AUD|Low: $674 AUD|High: $5,312 AUD|Avg: $1,886 AUD|+2.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 11$738 AUD
Retailer 4$754 AUD
Retailer 9$968 AUD
Retailer 5$1,189 AUD
Retailer 3$1,192 AUD
Retailer 8$1,233 AUD
Retailer 10$1,319 AUD
Retailer 15$1,448 AUD
Retailer 13$1,931 AUD
Retailer 7$2,474 AUD
Retailer 2$2,620 AUD
Retailer 6$2,749 AUD
Retailer 12$2,764 AUD
Retailer 14$2,831 AUD
Brilliant Earth$5,312 AUD

43 data points across 15 retailers

16 retailers$738 AUD to $5,312 AUD

A
Cheapest Retailer
-
$738 AUD
Final sale: no returns
A
Retailer 2
-
$754 AUD
View
A
Retailer 3
-
$968 AUD
View
B+
Retailer 4
-
$1,189 AUD
View
A
Retailer 5
-
$1,192 AUD
View
A
Retailer 6
-
$1,233 AUD
View
A
Retailer 7
-
$1,319 AUD
View
A
Retailer 8
-
$1,448 AUD
View
B+
Retailer 9
-
$1,931 AUD
View
B+
Retailer 10
-
$2,474 AUD
View
B
Retailer 11
-
$2,620 AUD
View
B
Retailer 12
-
$2,749 AUD
View
B+
Retailer 13
-
$2,764 AUD
View
B
Retailer 14
-
$2,831 AUD
View
B
Retailer 15
-
$5,269 AUD
View
Most Expensive
B
Brilliant Earth
20624929A · Nov 7
$5,312 AUD
$3,650 USD
View
15 more retailers have this diamond
Prices start from $738 AUDSave up to $4,574 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
$738 AUD