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Cushion|Lab Grown|IGI

1.45ct D IF Cushion Lab Grown Diamond

D/IF • IGI LG780661400

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

Certificate IGI LG780661400

Diamond specifications and retailer prices

From €323 EUR
As of November 4, 2026
Save €2,056 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,379 EUR at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG780661400 or 780661400. Listed at 13 retailers as of November 3, 2026, with prices from €323 to €2,379, a €2,056 spread on the same certified stone. Do Amore Diamonds lists it at €2,379. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661400
Dimensions6.70 × 6.58 × 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
6.70 mm6.58 mm1.45 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661400
Side View
Table 62.0%Crown 34.1°Girdle: STK-VTKPavilion 38.9°Culet: NoneDepth 65.5%

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: €2,379 EUR|Low: €323 EUR|High: €2,609 EUR|Avg: €1,250 EUR|-4.3%
Do Amore Diamonds
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 4, 2026
Retailer 5€323 EUR
Retailer 3€475 EUR
Retailer 12€480 EUR
Retailer 13€544 EUR
Retailer 9€605 EUR
Retailer 4€762 EUR
Retailer 2€902 EUR
Retailer 14€1,033 EUR
Retailer 8€1,470 EUR
Retailer 6€1,900 EUR
Retailer 7€1,913 EUR
Retailer 10€1,929 EUR
Retailer 11€2,166 EUR
Do Amore Diamonds€2,379 EUR

27 data points across 14 retailers

13 retailers€323 EUR to €2,379 EUR

A
Cheapest Retailer
-
€323 EUR
Final sale: no returns
A
Retailer 2
-
€475 EUR
View
A
Retailer 3
-
€480 EUR
View
B+
Retailer 4
-
€544 EUR
View
A
Retailer 5
-
€605 EUR
View
A
Retailer 6
-
€762 EUR
View
A
Retailer 7
-
€902 EUR
View
B+
Retailer 8
-
€1,033 EUR
View
B+
Retailer 9
-
€1,470 EUR
View
B
Retailer 10
-
€1,913 EUR
View
B
Retailer 11
-
€1,929 EUR
View
B
Retailer 12
-
€2,166 EUR
View
Most Expensive
B
Do Amore Diamonds
27-C1136EE09 · Nov 3
€2,379 EUR
$2,680 USD
View
12 more retailers have this diamond
Prices start from €323 EURSave up to €2,056 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
1.45ct Cushion
€323 EUR