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Cushion|Lab Grown|IGI

3.01ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG536278998

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

Certificate IGI LG536278998

Diamond specifications and retailer prices

From $645 AUD
As of November 6, 2026
Save $4,624 AUD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,269 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536278998 or 536278998. Listed at 13 retailers as of November 6, 2026, with prices from $645 to $5,269, a $4,624 spread on the same certified stone. Brilliant Earth lists it at $5,269. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536278998
Dimensions8.69 × 8.43 × 5.39 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
8.69 mm8.43 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536278998
Side View
Table 63.0%Crown 32°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 63.9%

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: $5,269 AUD|Low: $645 AUD|High: $5,370 AUD|Avg: $1,951 AUD|+4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$645 AUD
Retailer 6$715 AUD
Retailer 5$837 AUD
Retailer 2$1,188 AUD
Retailer 9$1,265 AUD
Retailer 4$1,288 AUD
Retailer 7$2,556 AUD
Retailer 3$2,889 AUD
Brilliant Earth$5,269 AUD

43 data points across 9 retailers

13 retailers$645 AUD to $5,269 AUD

A
Cheapest Retailer
-
$645 AUD
Final sale: no returns
Retailer 2
-
$715 AUD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$837 AUD
View
B+
Retailer 4
-
$943 AUD
View
A
Retailer 5
-
$1,188 AUD
View
A
Retailer 6
-
$1,191 AUD
View
A
Retailer 7
-
$1,265 AUD
View
A
Retailer 8
-
$1,288 AUD
View
B+
Retailer 9
-
$2,265 AUD
View
B+
Retailer 10
-
$2,556 AUD
View
B+
Retailer 11
-
$2,889 AUD
View
B
Retailer 12
-
$5,123 AUD
View
Most Expensive
B
Brilliant Earth
16513574A · Nov 6
$5,269 AUD
$3,620 USD
View
12 more retailers have this diamond
Prices start from $645 AUDSave up to $4,624 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
$645 AUD