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Cushion|Lab Grown|IGI

1.48ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG656488122

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG656488122

Diamond specifications and retailer prices

From $517 AUD
As of November 6, 2026
Save $1,771 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,959 AUD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG656488122 or 656488122. Listed at 14 retailers as of November 5, 2026, with a 343% 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

1.48
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656488122
Dimensions6.67 × 6.55 × 4.46 mm
L/W Ratio1.02
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
6.67 mm6.55 mm1.48 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656488122
Side View
Table 61.0%Crown 35.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 68.1%

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 6
Current: $3,959 AUD|Low: $517 AUD|High: $3,959 AUD|Avg: $1,347 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
November 6, 2026
Retailer 4$517 AUD
Retailer 3$573 AUD
Retailer 12$771 AUD
Retailer 9$800 AUD
Retailer 13$930 AUD
Retailer 5$946 AUD
Retailer 8$987 AUD
Retailer 2$1,012 AUD
Retailer 7$1,407 AUD
Retailer 11$1,444 AUD
Retailer 10$2,278 AUD
Retailer 6$2,288 AUD
Brilliant Earth$3,959 AUD

44 data points across 13 retailers

14 retailers$517 AUD to $2,288 AUD

A
Cheapest Retailer
-
$517 AUD
Final sale: no returns
Retailer 2
-
$573 AUD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$771 AUD
View
A
Retailer 4
-
$800 AUD
View
A
Retailer 5
-
$946 AUD
View
A
Retailer 6
-
$987 AUD
View
A
Retailer 7
-
$1,012 AUD
View
A
Retailer 8
-
$1,407 AUD
View
A
Retailer 9
-
$1,444 AUD
View
A
Retailer 10
-
$1,722 AUD
View
B+
Retailer 11
-
$1,907 AUD
View
B+
Retailer 12
-
$2,278 AUD
View
B+
Retailer 13
-
$2,288 AUD
View
Most Expensive
Brilliant Earth
21385733A · Oct 8
$3,959 AUD
$2,720 USD
View
Price last confirmed 29 days ago
13 more retailers have this diamond
Prices start from $517 AUDSave up to $1,771 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
1.48ct Cushion
$517 AUD