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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG539217479

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539217479

Diamond specifications and retailer prices

From $336 AUD
As of November 6, 2026
Save $2,545 AUD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,882 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539217479 or 539217479. Listed at 7 retailers as of November 2, 2026, with prices from $336 to $2,882, a $2,545 spread on the same certified stone. Do Amore Diamonds lists it at $2,882. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539217479
Dimensions6.90 × 6.50 × 4.24 mm
L/W Ratio1.06
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
6.90 mm6.50 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539217479
Side View
Table 58.0%Crown 32.8°Girdle: MED-VTKPavilion 37.7°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,882 AUD|Low: $207 AUD|High: $2,882 AUD|Avg: $1,224 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7$336 AUD
Retailer 6$643 AUD
Retailer 10$664 AUD
Retailer 9$680 AUD
Retailer 11$799 AUD
Retailer 2$917 AUD
Retailer 3$979 AUD
Retailer 4$1,326 AUD
Retailer 5$1,652 AUD
Retailer 8$1,790 AUD
Do Amore Diamonds$2,882 AUD

12 data points across 11 retailers

7 retailers$336 AUD to $2,882 AUD

A
Cheapest Retailer
-
$336 AUD
Final sale: no returns
B+
Retailer 2
-
$643 AUD
View
B+
Retailer 3
-
$917 AUD
View
B+
Retailer 4
-
$1,326 AUD
View
Retailer 5
-
$1,652 AUD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$1,790 AUD
View
Most Expensive
B
Do Amore Diamonds
27-C9766A81E · Nov 2
$2,882 AUD
$1,980 USD
View
6 more retailers have this diamond
Prices start from $336 AUDSave up to $2,545 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
1.50ct Cushion
$336 AUD