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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG742544026

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742544026

Diamond specifications and retailer prices

From $662 USD
As of October 30, 2026
Save $3,818 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,480 USD at Brilliant Earth · As of October 31, 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 LG742544026 or 742544026. Listed at 21 retailers as of October 30, 2026, with prices from $662 to $4,480, a $3,818 spread on the same certified stone. Brilliant Earth lists it at $4,480. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742544026
Dimensions7.96 × 5.76 × 3.96 mm
L/W Ratio1.38
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
7.96 mm5.76 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742544026
Side View
Table 57.0%Crown 39.3°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,480 USD|Low: $630 USD|High: $4,480 USD|Avg: $1,725 USD|+6.4%
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
October 31, 2026
Retailer 13$662 USD
Retailer 7$698 USD
Retailer 11$740 USD
Retailer 9$805 USD
Retailer 4$935 USD
Retailer 2$1,061 USD
Retailer 8$1,089 USD
Retailer 12$1,199 USD
Retailer 3$1,572 USD
Retailer 10$1,625 USD
Retailer 6$2,428 USD
Retailer 5$2,503 USD
Retailer 15$2,650 USD
Retailer 14$3,045 USD
Brilliant Earth$4,480 USD

33 data points across 15 retailers

21 retailers$662 USD to $4,480 USD

A
Cheapest Retailer
-
$662 USD
Final sale: no returns
Retailer 2
-
$698 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$740 USD
£583 GBP
View
A
Retailer 4
-
$805 USD
View
A
Retailer 5
-
$913 USD
View
A
Retailer 6
-
$935 USD
View
A
Retailer 7
-
$1,061 USD
€1,010 EUR
View
A
Retailer 8
-
$1,089 USD
£857 GBP
View
A
Retailer 9
-
$1,136 USD
View
A
Retailer 10
-
$1,199 USD
ZAR 19,371 ZAR
View
B+
Retailer 11
-
$1,572 USD
View
B+
Retailer 12
-
$1,625 USD
A$2,500 AUD
View
B+
Retailer 13
-
$2,027 USD
£1,596 GBP
View
B+
Retailer 14
-
$2,247 USD
View
B+
Retailer 15
-
$2,262 USD
View
B+
Retailer 16
-
$2,351 USD
View
B+
Retailer 17
-
$2,428 USD
View
Retailer 18
-
$2,503 USD
A$3,850 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
$2,650 USD
View
Price last confirmed 12 days ago
Retailer 20
-
$3,045 USD
£2,398 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16392325A · Oct 31
$4,480 USD
View
20 more retailers have this diamond
Prices start from $662 USDSave up to $3,818 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
$662 USD