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Cushion|Lab Grown|IGI

1.53ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633357

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

Certificate IGI LG825633357

Diamond specifications and retailer prices

From $636 AUD
$447 USD
As of October 30, 2026
Save $3,321 AUD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,958 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825633357 or 825633357. Listed at 13 retailers as of October 30, 2026, with prices from $636 to $3,958, a $3,321 spread on the same certified stone. Brilliant Earth lists it at $3,958. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633357
Dimensions6.76 × 6.62 × 4.40 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.76 mm6.62 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633357
Side View
Table 62.0%Crown 35.1°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 66.5%

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 30
Current: $3,958 AUD|Low: $636 AUD|High: $4,413 AUD|Avg: $2,077 AUD|-9.7%
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
October 31, 2026
Retailer 10$636 AUD
Retailer 12$729 AUD
Retailer 7$918 AUD
Retailer 9$1,119 AUD
Retailer 6$1,159 AUD
Retailer 2$1,233 AUD
Retailer 4$1,529 AUD
Retailer 5$2,321 AUD
Retailer 11$2,607 AUD
Retailer 8$2,642 AUD
Retailer 13$2,773 AUD
Retailer 3$3,345 AUD
Brilliant Earth$3,958 AUD

40 data points across 13 retailers

13 retailers$636 AUD to $3,958 AUD

A
Cheapest Retailer
-
$636 AUD
$447 USD
Final sale: no returns
A
Retailer 2
-
$729 AUD
£403 GBP
View
A
Retailer 3
-
$918 AUD
$645 USD
View
A
Retailer 4
-
$1,119 AUD
$786 USD
View
A
Retailer 5
-
$1,159 AUD
£641 GBP
View
A
Retailer 6
-
$1,233 AUD
€825 EUR
View
A
Retailer 7
-
$1,529 AUD
$1,074 USD
View
B+
Retailer 8
-
$2,321 AUD
$1,630 USD
View
B+
Retailer 9
-
$2,607 AUD
$1,832 USD
View
B+
Retailer 10
-
$2,642 AUD
$1,856 USD
View
B+
Retailer 11
-
$2,773 AUD
£1,534 GBP
View
Retailer 12
-
$3,345 AUD
$2,350 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21322589A · Oct 31
$3,958 AUD
$2,780 USD
View
12 more retailers have this diamond
Prices start from $636 AUDSave up to $3,321 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
1.53ct Cushion
$636 AUD