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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 $355 USD
As of November 1, 2026
Save $1,210 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,720 USD 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 1, 2026, with a 341% 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
Color
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

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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 1
Current: $2,720 USD|Low: $355 USD|High: $2,720 USD|Avg: $890 USD
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 2, 2026
Retailer 3$355 USD
Retailer 13$394 USD
Retailer 11$530 USD
Retailer 7$550 USD
Retailer 12$639 USD
Retailer 4$650 USD
Retailer 6$679 USD
Retailer 2$702 USD
Retailer 8$960 USD
Retailer 10$992 USD
Retailer 5$1,183 USD
Retailer 9$1,579 USD
Brilliant Earth$2,720 USD

42 data points across 13 retailers

14 retailers$355 USD to $1,565 USD

A
Cheapest Retailer
-
$355 USD
Final sale: no returns
Retailer 2
-
$394 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$530 USD
View
A
Retailer 4
-
$550 USD
View
A
Retailer 5
-
$650 USD
View
A
Retailer 6
-
$679 USD
ZAR 10,962 ZAR
View
A
Retailer 7
-
$702 USD
£553 GBP
View
A
Retailer 8
-
$960 USD
A$1,477 AUD
View
A
Retailer 9
-
$992 USD
View
A
Retailer 10
-
$1,183 USD
View
B+
Retailer 11
-
$1,310 USD
View
Retailer 12
-
$1,565 USD
View
Retailer 13
-
$1,579 USD
£1,243 GBP
View
Price last confirmed 7 days ago
Most Expensive
Brilliant Earth
21385733A · Oct 8
$2,720 USD
View
Price last confirmed 25 days ago
13 more retailers have this diamond
Prices start from $355 USDSave up to $1,210 USD

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
$355 USD