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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG824621168

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG824621168

Diamond specifications and retailer prices

From $597 AUD
As of November 4, 2026
Save $3,522 AUD (86%) vs most expensive(unlock to see where)
18 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 LG824621168 or 824621168. Listed at 18 retailers as of November 4, 2026, with prices from $597 to $4,120, a $3,522 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG824621168
Dimensions6.82 × 6.78 × 4.29 mm
L/W Ratio1.01
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
6.82 mm6.78 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG824621168
Side View
Table 62.0%Crown 34.6°Girdle: THN-MEDPavilion 38.3°Culet: NoneDepth 63.3%

Caratlytics Score

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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 4
Current: $4,120 AUD|Low: $597 AUD|High: $4,875 AUD|Avg: $1,995 AUD|-15.5%
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
November 5, 2026
Retailer 8$597 AUD
Retailer 13$698 AUD
Retailer 4$784 AUD
Retailer 17$1,048 AUD
Retailer 3$1,052 AUD
Retailer 16$1,142 AUD
Retailer 2$1,177 AUD
Retailer 9$1,508 AUD
Retailer 12$1,544 AUD
Retailer 15$1,672 AUD
Retailer 10$2,184 AUD
Retailer 14$2,309 AUD
Retailer 5$2,486 AUD
Retailer 7$2,495 AUD
Retailer 11$2,582 AUD
Retailer 18$3,495 AUD
Retailer 6$3,749 AUD
Brilliant Earth$4,120 AUD

34 data points across 18 retailers

18 retailers$597 AUD to $4,120 AUD

A
Cheapest Retailer
-
$597 AUD
Final sale: no returns
A
Retailer 2
-
$698 AUD
View
A
Retailer 3
-
$784 AUD
View
A
Retailer 4
-
$1,048 AUD
View
A
Retailer 5
-
$1,052 AUD
View
A
Retailer 6
-
$1,142 AUD
View
A
Retailer 7
-
$1,177 AUD
View
A
Retailer 8
-
$1,508 AUD
View
A
Retailer 9
-
$1,544 AUD
View
A
Retailer 10
-
$1,672 AUD
View
B+
Retailer 11
-
$2,184 AUD
View
B+
Retailer 12
-
$2,309 AUD
View
B+
Retailer 13
-
$2,486 AUD
View
B+
Retailer 14
-
$2,495 AUD
View
B+
Retailer 15
-
$2,582 AUD
View
B+
Retailer 16
-
$3,495 AUD
View
Retailer 17
-
$3,749 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
22184221A · Nov 4
$4,120 AUD
$2,890 USD
View
17 more retailers have this diamond
Prices start from $597 AUDSave up to $3,522 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
$597 AUD