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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG627446733

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627446733

Diamond specifications and retailer prices

From $552 USD
As of October 30, 2026
Save $3,198 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,750 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 LG627446733 or 627446733. Listed at 17 retailers as of October 30, 2026, with prices from $552 to $3,750, a $3,198 spread on the same certified stone. Brilliant Earth lists it at $3,750. 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 angle36.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627446733
Dimensions7.50 × 6.00 × 4.26 mm
L/W Ratio1.25
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
7.50 mm6.00 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627446733
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 71.0%

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: Oct 30
Current: $3,750 USD|Low: $393 USD|High: $3,940 USD|Avg: $1,386 USD|-4.8%
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
October 31, 2026
Retailer 5$552 USD
Retailer 3$611 USD
Retailer 8$750 USD
Retailer 4$845 USD
Retailer 2$931 USD
Retailer 9$951 USD
Retailer 7$1,016 USD
Retailer 11$1,050 USD
Retailer 6$1,111 USD
Retailer 10$1,424 USD
Retailer 13$1,426 USD
Retailer 14$2,131 USD
Retailer 12$2,555 USD
Brilliant Earth$3,750 USD

43 data points across 14 retailers

17 retailers$552 USD to $3,750 USD

A
Cheapest Retailer
-
$552 USD
Final sale: no returns
Retailer 2
-
$611 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$750 USD
View
A
Retailer 4
-
$845 USD
View
A
Retailer 5
-
$931 USD
€887 EUR
View
A
Retailer 6
-
$951 USD
View
A
Retailer 7
-
$1,016 USD
£800 GBP
View
A
Retailer 8
-
$1,050 USD
ZAR 16,970 ZAR
View
A
Retailer 9
-
$1,111 USD
View
A
Retailer 10
-
$1,424 USD
A$2,190 AUD
View
B+
Retailer 11
-
$1,426 USD
View
B+
Retailer 12
-
$1,992 USD
View
B+
Retailer 13
-
$2,128 USD
View
B+
Retailer 14
-
$2,131 USD
View
B+
Retailer 15
-
$2,555 USD
£2,012 GBP
View
B
Retailer 16
-
$2,845 USD
£2,240 GBP
View
Most Expensive
B
Brilliant Earth
9709984A · Oct 31
$3,750 USD
View
16 more retailers have this diamond
Prices start from $552 USDSave up to $3,198 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