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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818683408

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818683408

Diamond specifications and retailer prices

From €658 EUR
$735 USD
As of October 31, 2026
Save €3,289 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,947 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 LG818683408 or 818683408. Listed at 12 retailers as of October 31, 2026, with prices from €658 to €3,947, a €3,289 spread on the same certified stone. Do Amore Diamonds lists it at €3,947. 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 angle31.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683408
Dimensions7.61 × 5.98 × 4.00 mm
L/W Ratio1.27
Girdle conditionFaceted
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
7.61 mm5.98 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683408
Side View
Table 61.0%Crown 31.9°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,947 EUR|Low: €658 EUR|High: €5,209 EUR|Avg: €2,096 EUR|-24.2%
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
October 31, 2026
Retailer 14€658 EUR
Retailer 9€678 EUR
Retailer 3€758 EUR
Retailer 8€857 EUR
Retailer 2€976 EUR
Retailer 4€988 EUR
Retailer 11€1,576 EUR
Retailer 13€2,354 EUR
Retailer 12€2,487 EUR
Retailer 10€2,544 EUR
Retailer 5€2,694 EUR
Retailer 7€3,043 EUR
Retailer 6€3,523 EUR
Do Amore Diamonds€3,947 EUR

32 data points across 14 retailers

12 retailers€658 EUR to €3,947 EUR

A
Cheapest Retailer
-
€658 EUR
$735 USD
A
Retailer 2
-
€678 EUR
$758 USD
View
A
Retailer 3
-
€758 EUR
$847 USD
View
A
Retailer 4
-
€857 EUR
$957 USD
View
A
Retailer 5
-
€976 EUR
View
Retailer 6
-
€988 EUR
$1,104 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€1,576 EUR
$1,761 USD
View
Retailer 8
-
€2,354 EUR
$2,630 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
€2,487 EUR
$2,779 USD
View
B+
Retailer 10
-
€2,544 EUR
£2,238 GBP
View
B
Retailer 11
-
€3,043 EUR
$3,400 USD
View
Most Expensive
B
Do Amore Diamonds
27-CD08245E8 · Oct 31
€3,947 EUR
$4,410 USD
View
11 more retailers have this diamond
Prices start from €658 EURSave up to €3,289 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
€658 EUR