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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 $1,632 NZD
As of November 3, 2026
Save $11,815 NZD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,447 NZD at Do Amore Diamonds · As of November 4, 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 November 3, 2026, with prices from $1,632 to $13,447, a $11,815 spread on the same certified stone. Do Amore Diamonds lists it at $13,447. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $13,447 NZD|Low: $1,510 NZD|High: $13,447 NZD|Avg: $3,982 NZD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$1,632 NZD
Retailer 7$1,701 NZD
Retailer 9$1,824 NZD
Retailer 5$1,852 NZD
Retailer 16$1,974 NZD
Retailer 10$2,058 NZD
Retailer 12$2,288 NZD
Retailer 15$2,890 NZD
Retailer 8$3,113 NZD
Retailer 2$3,124 NZD
Retailer 17$4,086 NZD
Retailer 14$4,256 NZD
Retailer 6$5,643 NZD
Retailer 4$5,852 NZD
Retailer 18$6,354 NZD
Retailer 13$7,390 NZD
Retailer 11$7,751 NZD
Do Amore Diamonds$13,447 NZD

21 data points across 18 retailers

16 retailers$1,632 NZD to $13,447 NZD

A
Cheapest Retailer
-
$1,632 NZD
A
Retailer 2
-
$1,701 NZD
View
A
Retailer 3
-
$1,852 NZD
View
A
Retailer 4
-
$1,974 NZD
View
A
Retailer 5
-
$2,288 NZD
View
B+
Retailer 6
-
$2,601 NZD
View
B+
Retailer 7
-
$3,113 NZD
View
B+
Retailer 8
-
$3,124 NZD
View
B+
Retailer 9
-
$4,086 NZD
View
B+
Retailer 10
-
$4,256 NZD
View
B
Retailer 11
-
$5,643 NZD
View
B
Retailer 12
-
$5,852 NZD
View
B
Retailer 13
-
$6,354 NZD
View
B
Retailer 14
-
$7,390 NZD
View
B
Retailer 15
-
$7,751 NZD
View
Most Expensive
B
Do Amore Diamonds
20-E98684 · Nov 4
$13,447 NZD
$7,580 USD
View
15 more retailers have this diamond
Prices start from $1,632 NZDSave up to $11,815 NZD

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
$1,632 NZD