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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 €490 EUR
As of November 4, 2026
Save €2,838 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,328 EUR 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 LG627446733 or 627446733. Listed at 18 retailers as of November 4, 2026, with prices from €490 to €3,328, a €2,838 spread on the same certified stone. Brilliant Earth lists it at €3,328. 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
Colour
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 4
Current: €3,328 EUR|Low: €490 EUR|High: €3,497 EUR|Avg: €1,296 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 5, 2026
Retailer 6€490 EUR
Retailer 4€542 EUR
Retailer 12€666 EUR
Retailer 9€728 EUR
Retailer 5€750 EUR
Retailer 11€826 EUR
Retailer 2€893 EUR
Retailer 8€935 EUR
Retailer 13€1,263 EUR
Retailer 7€1,278 EUR
Retailer 3€1,891 EUR
Retailer 10€2,264 EUR
Retailer 14€2,343 EUR
Brilliant Earth€3,328 EUR

45 data points across 14 retailers

18 retailers€490 EUR to €3,328 EUR

A
Cheapest Retailer
-
€490 EUR
Final sale: no returns
Retailer 2
-
€542 EUR
View
Price last confirmed 20 days ago
A
Retailer 3
-
€666 EUR
View
A
Retailer 4
-
€728 EUR
View
A
Retailer 5
-
€750 EUR
View
A
Retailer 6
-
€826 EUR
View
A
Retailer 7
-
€893 EUR
View
A
Retailer 8
-
€935 EUR
View
A
Retailer 9
-
€986 EUR
View
A
Retailer 10
-
€1,263 EUR
View
B+
Retailer 11
-
€1,278 EUR
View
B+
Retailer 12
-
€1,767 EUR
View
B+
Retailer 13
-
€1,889 EUR
View
B+
Retailer 14
-
€1,891 EUR
View
B+
Retailer 15
-
€2,264 EUR
View
Retailer 16
-
€2,343 EUR
View
Price last confirmed 17 days ago
Retailer 17
-
€2,524 EUR
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9709984A · Nov 4
€3,328 EUR
$3,750 USD
View
17 more retailers have this diamond
Prices start from €490 EURSave up to €2,838 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
€490 EUR