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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799671302

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

Certificate IGI LG799671302

Diamond specifications and retailer prices

From €754 EUR
$842 USD
As of October 30, 2026
Save €2,683 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,437 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG799671302 or 799671302. Listed at 12 retailers as of October 30, 2026, with prices from €754 to €3,437, a €2,683 spread on the same certified stone. Brilliant Earth lists it at €3,437. 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 angle37.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671302
Dimensions6.76 × 6.54 × 4.36 mm
L/W Ratio1.03
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
6.76 mm6.54 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671302
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 66.7%

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 30
Current: €3,437 EUR|Low: €754 EUR|High: €4,386 EUR|Avg: €2,035 EUR|-21.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12€754 EUR
Retailer 9€843 EUR
Retailer 8€894 EUR
Retailer 3€1,019 EUR
Retailer 2€1,071 EUR
Retailer 5€1,101 EUR
Retailer 11€1,713 EUR
Retailer 7€2,354 EUR
Retailer 4€2,433 EUR
Retailer 6€2,860 EUR
Retailer 10€2,923 EUR
Brilliant Earth€3,437 EUR

41 data points across 12 retailers

12 retailers€754 EUR to €3,437 EUR

A
Cheapest Retailer
-
€754 EUR
$842 USD
A
Retailer 2
-
€843 EUR
$942 USD
View
A
Retailer 3
-
€894 EUR
HK$7,800 HKD
View
A
Retailer 4
-
€1,019 EUR
$1,138 USD
View
A
Retailer 5
-
€1,071 EUR
£942 GBP
View
A
Retailer 6
-
€1,101 EUR
View
B+
Retailer 7
-
€1,713 EUR
$1,914 USD
View
Retailer 8
-
€2,354 EUR
$2,630 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
€2,433 EUR
$2,719 USD
View
B
Retailer 10
-
€2,860 EUR
£2,516 GBP
View
B
Retailer 11
-
€2,923 EUR
$3,266 USD
View
Most Expensive
B
Brilliant Earth
20869651Y · Oct 31
€3,437 EUR
$3,840 USD
View
11 more retailers have this diamond
Prices start from €754 EURSave up to €2,683 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
€754 EUR