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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG831628610

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG831628610

Diamond specifications and retailer prices

From €823 EUR
$920 USD
As of October 30, 2026
Save €5,961 EUR (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,785 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831628610 or 831628610. Listed at 16 retailers as of October 30, 2026, with prices from €823 to €6,785, a €5,961 spread on the same certified stone. Do Amore Diamonds lists it at €6,785. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831628610
Dimensions7.09 × 6.91 × 4.19 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
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
7.09 mm6.91 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831628610
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: LargeDepth 60.6%

Caratlytics Score

How it works →
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: €6,785 EUR|Low: €762 EUR|High: €6,785 EUR|Avg: €1,940 EUR
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 3€823 EUR
Retailer 7€858 EUR
Retailer 9€920 EUR
Retailer 5€934 EUR
Retailer 16€996 EUR
Retailer 10€1,038 EUR
Retailer 15€1,458 EUR
Retailer 8€1,571 EUR
Retailer 11€1,571 EUR
Retailer 2€1,592 EUR
Retailer 17€2,061 EUR
Retailer 12€2,147 EUR
Retailer 6€2,848 EUR
Retailer 4€2,953 EUR
Retailer 18€3,207 EUR
Retailer 14€3,749 EUR
Retailer 13€3,908 EUR
Do Amore Diamonds€6,785 EUR

16 data points across 18 retailers

16 retailers€823 EUR to €6,785 EUR

A
Cheapest Retailer
-
€823 EUR
$920 USD
A
Retailer 2
-
€858 EUR
$959 USD
View
A
Retailer 3
-
€934 EUR
$1,044 USD
View
A
Retailer 4
-
€996 EUR
$1,113 USD
View
B+
Retailer 5
-
€1,312 EUR
$1,466 USD
View
B+
Retailer 6
-
€1,571 EUR
$1,755 USD
View
B+
Retailer 7
-
€1,571 EUR
$1,755 USD
View
B+
Retailer 8
-
€1,592 EUR
£1,401 GBP
View
B+
Retailer 9
-
€2,061 EUR
$2,303 USD
View
B+
Retailer 10
-
€2,147 EUR
$2,399 USD
View
B
Retailer 11
-
€2,848 EUR
$3,182 USD
View
B
Retailer 12
-
€2,953 EUR
$3,299 USD
View
B
Retailer 13
-
€3,207 EUR
$3,583 USD
View
B
Retailer 14
-
€3,749 EUR
£3,298 GBP
View
B
Retailer 15
-
€3,908 EUR
$4,366 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98684 · Oct 31
€6,785 EUR
$7,580 USD
View
15 more retailers have this diamond
Prices start from €823 EURSave up to €5,961 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
1.50ct Cushion
€823 EUR