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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG726508509

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG726508509

Diamond specifications and retailer prices

From $734 AUD
As of November 5, 2026
Save $3,386 AUD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,120 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726508509 or 726508509. Listed at 19 retailers as of November 4, 2026, with prices from $734 to $4,120, a $3,386 spread on the same certified stone. Brilliant Earth lists it at $4,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726508509
Dimensions7.52 × 6.23 × 4.23 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
7.52 mm6.23 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726508509
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.9%

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 5
Current: $4,120 AUD|Low: $673 AUD|High: $5,160 AUD|Avg: $2,089 AUD|-20.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 2$734 AUD
Retailer 19$857 AUD
Retailer 16$955 AUD
Retailer 3$1,052 AUD
Retailer 18$1,089 AUD
Retailer 15$1,192 AUD
Retailer 12$1,217 AUD
Retailer 13$1,286 AUD
Retailer 5$1,532 AUD
Retailer 7$1,726 AUD
Retailer 17$1,736 AUD
Retailer 9$2,445 AUD
Retailer 6$2,486 AUD
Retailer 8$2,552 AUD
Retailer 4$2,711 AUD
Retailer 14$2,740 AUD
Retailer 11$3,547 AUD
Retailer 10$3,692 AUD
Brilliant Earth$4,120 AUD

35 data points across 19 retailers

19 retailers$734 AUD to $4,120 AUD

A
Cheapest Retailer
-
$734 AUD
Final sale: no returns
A
Retailer 2
-
$857 AUD
View
A
Retailer 3
-
$955 AUD
View
A
Retailer 4
-
$1,052 AUD
View
A
Retailer 5
-
$1,089 AUD
View
A
Retailer 6
-
$1,192 AUD
View
A
Retailer 7
-
$1,217 AUD
View
A
Retailer 8
-
$1,286 AUD
View
A
Retailer 9
-
$1,532 AUD
View
A
Retailer 10
-
$1,726 AUD
View
A
Retailer 11
-
$1,736 AUD
View
B+
Retailer 12
-
$2,445 AUD
View
B+
Retailer 13
-
$2,486 AUD
View
B+
Retailer 14
-
$2,552 AUD
View
B+
Retailer 15
-
$2,711 AUD
View
B+
Retailer 16
-
$2,740 AUD
View
Retailer 17
-
$3,547 AUD
View
Price last confirmed 31 days ago
Retailer 18
-
$3,692 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
15599248A · Nov 4
$4,120 AUD
$2,890 USD
View
18 more retailers have this diamond
Prices start from $734 AUDSave up to $3,386 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
$734 AUD