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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 €494 EUR
$552 USD
As of November 1, 2026
Save €2,862 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,357 EUR 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 31, 2026, with prices from €494 to €3,357, a €2,862 spread on the same certified stone. Brilliant Earth lists it at €3,357. 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: Nov 1
Current: €3,357 EUR|Low: €494 EUR|High: €3,527 EUR|Avg: €1,183 EUR|-2.1%
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 1, 2026
Retailer 5€494 EUR
Retailer 3€547 EUR
Retailer 9€671 EUR
Retailer 4€756 EUR
Retailer 8€834 EUR
Retailer 10€851 EUR
Retailer 7€910 EUR
Retailer 12€940 EUR
Retailer 6€994 EUR
Retailer 11€1,274 EUR
Retailer 13€1,276 EUR
Retailer 14€1,907 EUR
Retailer 2€2,284 EUR
Brilliant Earth€3,357 EUR

43 data points across 14 retailers

17 retailers€494 EUR to €3,357 EUR

A
Cheapest Retailer
-
€494 EUR
$552 USD
Final sale: no returns
Retailer 2
-
€547 EUR
$611 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€671 EUR
$750 USD
View
A
Retailer 4
-
€756 EUR
$845 USD
View
A
Retailer 5
-
€834 EUR
View
A
Retailer 6
-
€851 EUR
$951 USD
View
A
Retailer 7
-
€910 EUR
£800 GBP
View
A
Retailer 8
-
€940 EUR
ZAR 16,970 ZAR
View
A
Retailer 9
-
€994 EUR
$1,111 USD
View
A
Retailer 10
-
€1,274 EUR
A$2,190 AUD
View
B+
Retailer 11
-
€1,276 EUR
$1,426 USD
View
B+
Retailer 12
-
€1,783 EUR
$1,992 USD
View
B+
Retailer 13
-
€1,905 EUR
$2,128 USD
View
B+
Retailer 14
-
€1,907 EUR
$2,131 USD
View
B+
Retailer 15
-
€2,284 EUR
£2,009 GBP
View
B
Retailer 16
-
€2,546 EUR
£2,240 GBP
View
Most Expensive
B
Brilliant Earth
9709984A · Oct 31
€3,357 EUR
$3,750 USD
View
16 more retailers have this diamond
Prices start from €494 EURSave up to €2,862 EUR

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
€494 EUR