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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG798609626

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798609626

Diamond specifications and retailer prices

From $535 AUD
As of November 4, 2026
Save $3,713 AUD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,875 AUD at Brilliant Earth · As of October 24, 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 LG798609626 or 798609626. Listed at 24 retailers as of November 4, 2026, with a 695% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle30.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798609626
Dimensions7.80 × 6.31 × 4.23 mm
L/W Ratio1.24
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
7.80 mm6.31 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798609626
Side View
Table 61.0%Crown 30.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 67.0%

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: $4,091 AUD|Low: $535 AUD|High: $6,543 AUD|Avg: $1,802 AUD|-21.8%
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
Retailer 20
November 5, 2026
Retailer 7$535 AUD
Retailer 8$593 AUD
Retailer 14$690 AUD
Retailer 6$821 AUD
Retailer 19$851 AUD
Retailer 18$855 AUD
Retailer 20$959 AUD
Retailer 16$1,128 AUD
Retailer 2$1,162 AUD
Retailer 5$1,163 AUD
Retailer 17$1,232 AUD
Retailer 15$1,524 AUD
Retailer 12$2,158 AUD
Retailer 4$2,238 AUD
Retailer 9$2,308 AUD
Retailer 10$2,378 AUD
Retailer 11$2,542 AUD
Retailer 13$2,549 AUD
Brilliant Earth$4,091 AUD
Retailer 3$4,248 AUD

28 data points across 20 retailers

24 retailers$535 AUD to $4,248 AUD

A
Cheapest Retailer
-
$535 AUD
Final sale: no returns
Retailer 2
-
$593 AUD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$690 AUD
View
A
Retailer 4
-
$821 AUD
View
A
Retailer 5
-
$851 AUD
View
A
Retailer 6
-
$855 AUD
View
A
Retailer 7
-
$959 AUD
View
A
Retailer 8
-
$1,128 AUD
View
A
Retailer 9
-
$1,162 AUD
View
A
Retailer 10
-
$1,163 AUD
View
A
Retailer 11
-
$1,232 AUD
View
A
Retailer 12
-
$1,524 AUD
View
B+
Retailer 13
-
$2,158 AUD
View
A
Retailer 14
-
$2,181 AUD
View
Retailer 15
-
$2,238 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$2,308 AUD
View
B+
Retailer 17
-
$2,378 AUD
View
Retailer 18
-
$2,542 AUD
View
Price last confirmed 15 days ago
B+
Retailer 19
-
$2,549 AUD
View
Retailer 20
-
$3,792 AUD
View
Price last confirmed 31 days ago
Retailer 21
-
$4,054 AUD
View
Price last confirmed 9 days ago
B
Retailer 22
-
$4,091 AUD
View
B
Retailer 23
-
$4,248 AUD
View
Most Expensive
Brilliant Earth
19067400A · Oct 24
$4,875 AUD
$3,420 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from $535 AUDSave up to $3,713 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
$535 AUD