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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 $920 USD
As of October 30, 2026
Save $6,660 USD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,580 USD 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 $920 to $7,580, a $6,660 spread on the same certified stone. Do Amore Diamonds lists it at $7,580. 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

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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: Oct 30
Current: $7,580 USD|Low: $851 USD|High: $7,580 USD|Avg: $2,168 USD
Do Amore Diamonds
Retailer 2
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Retailer 18
October 31, 2026
Retailer 3$920 USD
Retailer 7$959 USD
Retailer 9$1,028 USD
Retailer 5$1,044 USD
Retailer 16$1,113 USD
Retailer 10$1,160 USD
Retailer 15$1,629 USD
Retailer 8$1,755 USD
Retailer 11$1,755 USD
Retailer 2$1,779 USD
Retailer 17$2,303 USD
Retailer 12$2,399 USD
Retailer 6$3,182 USD
Retailer 4$3,299 USD
Retailer 18$3,583 USD
Retailer 14$4,188 USD
Retailer 13$4,366 USD
Do Amore Diamonds$7,580 USD

16 data points across 18 retailers

16 retailers$920 USD to $7,580 USD

A
Cheapest Retailer
-
$920 USD
A
Retailer 2
-
$959 USD
View
A
Retailer 3
-
$1,044 USD
View
A
Retailer 4
-
$1,113 USD
View
B+
Retailer 5
-
$1,466 USD
View
B+
Retailer 6
-
$1,755 USD
View
B+
Retailer 7
-
$1,755 USD
View
B+
Retailer 8
-
$1,779 USD
£1,401 GBP
View
B+
Retailer 9
-
$2,303 USD
View
B+
Retailer 10
-
$2,399 USD
View
B
Retailer 11
-
$3,182 USD
View
B
Retailer 12
-
$3,299 USD
View
B
Retailer 13
-
$3,583 USD
View
B
Retailer 14
-
$4,188 USD
£3,298 GBP
View
B
Retailer 15
-
$4,366 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98684 · Oct 31
$7,580 USD
View
15 more retailers have this diamond
Prices start from $920 USDSave up to $6,660 USD

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
$920 USD