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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG761510837

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

Certificate IGI LG761510837

Diamond specifications and retailer prices

From $552 USD
As of November 4, 2026
Save $2,938 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,490 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct 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 LG761510837 or 761510837. Listed at 21 retailers as of November 4, 2026, with prices from $552 to $3,490, a $2,938 spread on the same certified stone. Brilliant Earth lists it at $3,490. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761510837
Dimensions6.59 × 6.47 × 4.31 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
6.59 mm6.47 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761510837
Side View
Table 60.0%Crown 35.9°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,490 USD|Low: $611 USD|High: $4,060 USD|Avg: $1,682 USD|-14.0%
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
November 5, 2026
Retailer 4$611 USD
Retailer 13$735 USD
Retailer 6$845 USD
Retailer 7$915 USD
Retailer 2$1,006 USD
Retailer 9$1,054 USD
Retailer 12$1,423 USD
Retailer 8$1,440 USD
Retailer 5$1,936 USD
Retailer 3$2,131 USD
Retailer 11$2,473 USD
Retailer 10$2,551 USD
Retailer 14$2,640 USD
Brilliant Earth$3,490 USD

44 data points across 14 retailers

21 retailers$552 USD to $3,490 USD

A
Cheapest Retailer
-
$552 USD
Final sale: no returns
Retailer 2
-
$611 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$735 USD
View
A
Retailer 4
-
$820 USD
View
A
Retailer 5
-
$845 USD
View
A
Retailer 6
-
$915 USD
View
A
Retailer 7
-
$1,006 USD
View
A
Retailer 8
-
$1,054 USD
View
A
Retailer 9
-
$1,111 USD
View
A
Retailer 10
-
$1,423 USD
View
B+
Retailer 11
-
$1,440 USD
View
B+
Retailer 12
-
$1,783 USD
View
B+
Retailer 13
-
$1,936 USD
View
B+
Retailer 14
-
$1,991 USD
View
B+
Retailer 15
-
$2,128 USD
View
B+
Retailer 16
-
$2,131 USD
View
B+
Retailer 17
-
$2,286 USD
View
B+
Retailer 18
-
$2,473 USD
View
B+
Retailer 19
-
$2,551 USD
View
Retailer 20
-
$2,640 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
17663504A · Nov 4
$3,490 USD
View
20 more retailers have this diamond
Prices start from $552 USDSave up to $2,938 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
1.54ct Cushion
$552 USD