Cushion|Lab Grown|IGI

1.53ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG729580488

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729580488

Diamond specifications and retailer prices

From $559 AUD
As of November 6, 2026
Save $2,512 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,071 AUD at Brilliant Earth · As of November 6, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729580488 or 729580488. Listed at 20 retailers as of November 6, 2026, with prices from $559 to $3,071, a $2,512 spread on the same certified stone. Brilliant Earth lists it at $3,071. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729580488
Dimensions5.77 × 5.77 × 3.81 mm
L/W Ratio1.00
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
5.77 mm5.77 mm1.53 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729580488
Side View
Table 62.0%Crown 35.6°Girdle: STK-THKPavilion 29.6°Culet: NoneDepth 66.0%

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 6
Current: $3,071 AUD|Low: $547 AUD|High: $3,144 AUD|Avg: $1,623 AUD|+0.5%
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
Retailer 19
November 6, 2026
Retailer 9$547 AUD
Retailer 12$559 AUD
Retailer 5$742 AUD
Retailer 19$742 AUD
Retailer 2$886 AUD
Retailer 4$924 AUD
Retailer 18$942 AUD
Retailer 13$958 AUD
Retailer 17$1,281 AUD
Retailer 16$1,425 AUD
Retailer 7$1,498 AUD
Retailer 10$1,768 AUD
Retailer 6$1,825 AUD
Retailer 11$2,100 AUD
Retailer 8$2,129 AUD
Retailer 3$2,142 AUD
Retailer 14$2,185 AUD
Retailer 15$2,503 AUD
Brilliant Earth$3,071 AUD

36 data points across 19 retailers

20 retailers$559 AUD to $3,071 AUD

Retailer 1
-
$547 AUD
Price last confirmed 13 days ago
A
Retailer 2
-
$559 AUD
View
A
Retailer 3
-
$742 AUD
View
A
Retailer 4
-
$742 AUD
View
A
Retailer 5
-
$886 AUD
View
A
Retailer 6
-
$924 AUD
View
A
Retailer 7
-
$942 AUD
View
A
Retailer 8
-
$958 AUD
View
A
Retailer 9
-
$1,281 AUD
View
A
Retailer 10
-
$1,425 AUD
View
A
Retailer 11
-
$1,498 AUD
View
A
Retailer 12
-
$1,768 AUD
View
A
Retailer 13
-
$1,825 AUD
View
A
Retailer 14
-
$1,924 AUD
View
B+
Retailer 15
-
$2,100 AUD
View
B+
Retailer 16
-
$2,129 AUD
View
Retailer 17
-
$2,142 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$2,185 AUD
View
B+
Retailer 19
-
$2,503 AUD
View
Most Expensive
B+
Brilliant Earth
17558281A · Nov 6
$3,071 AUD
$2,110 USD
View
19 more retailers have this diamond
Prices start from $559 AUDSave up to $2,512 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
$559 AUD