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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG665408766

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408766

Diamond specifications and retailer prices

From $1,046 AUD
As of November 5, 2026
Save $5,311 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,358 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 LG665408766 or 665408766. Listed at 20 retailers as of November 4, 2026, with prices from $1,046 to $6,358, a $5,311 spread on the same certified stone. Brilliant Earth lists it at $6,358. 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 angle35.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408766
Dimensions8.01 × 6.00 × 3.97 mm
L/W Ratio1.33
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
8.01 mm6.00 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408766
Side View
Table 60.0%Crown 35.9°Girdle: MED-VTKPavilion 34.2°Culet: NoneDepth 66.2%

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 5
Current: $6,358 AUD|Low: $937 AUD|High: $6,358 AUD|Avg: $2,659 AUD
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$1,046 AUD
Retailer 6$1,048 AUD
Retailer 19$1,212 AUD
Retailer 5$1,349 AUD
Retailer 7$1,608 AUD
Retailer 4$1,617 AUD
Retailer 13$1,621 AUD
Retailer 16$1,634 AUD
Retailer 15$1,799 AUD
Retailer 14$2,408 AUD
Retailer 18$2,439 AUD
Retailer 10$3,041 AUD
Retailer 11$3,304 AUD
Retailer 9$3,388 AUD
Retailer 8$3,485 AUD
Retailer 17$3,495 AUD
Retailer 3$3,813 AUD
Retailer 12$4,535 AUD
Brilliant Earth$6,358 AUD

38 data points across 19 retailers

20 retailers$1,046 AUD to $6,358 AUD

A
Cheapest Retailer
-
$1,046 AUD
Final sale: no returns
Retailer 2
-
$1,048 AUD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,212 AUD
View
A
Retailer 4
-
$1,349 AUD
View
A
Retailer 5
-
$1,608 AUD
View
A
Retailer 6
-
$1,617 AUD
View
A
Retailer 7
-
$1,621 AUD
View
A
Retailer 8
-
$1,634 AUD
View
A
Retailer 9
-
$1,799 AUD
View
B+
Retailer 10
-
$2,408 AUD
View
B+
Retailer 11
-
$2,439 AUD
View
B+
Retailer 12
-
$3,041 AUD
View
B+
Retailer 13
-
$3,304 AUD
View
B+
Retailer 14
-
$3,388 AUD
View
B+
Retailer 15
-
$3,485 AUD
View
B+
Retailer 16
-
$3,495 AUD
View
B
Retailer 17
-
$3,635 AUD
View
Retailer 18
-
$3,813 AUD
View
Price last confirmed 17 days ago
B+
Retailer 19
-
$4,535 AUD
View
Most Expensive
B
Brilliant Earth
14719363A · Nov 4
$6,358 AUD
$4,460 USD
View
19 more retailers have this diamond
Prices start from $1,046 AUDSave up to $5,311 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
$1,046 AUD