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 $1,313 AUD
$920 USD
As of November 2, 2026
Save $9,503 AUD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,816 AUD at Do Amore Diamonds · As of November 2, 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 2, 2026, with prices from $1,313 to $10,816, a $9,503 spread on the same certified stone. Do Amore Diamonds lists it at $10,816. 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 2
Current: $10,816 AUD|Low: $1,214 AUD|High: $10,816 AUD|Avg: $3,171 AUD
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 3, 2026
Retailer 3$1,313 AUD
Retailer 7$1,368 AUD
Retailer 9$1,467 AUD
Retailer 5$1,490 AUD
Retailer 16$1,588 AUD
Retailer 10$1,655 AUD
Retailer 15$2,324 AUD
Retailer 8$2,504 AUD
Retailer 12$2,504 AUD
Retailer 2$2,539 AUD
Retailer 17$3,286 AUD
Retailer 13$3,423 AUD
Retailer 6$4,540 AUD
Retailer 4$4,707 AUD
Retailer 18$5,112 AUD
Retailer 11$5,946 AUD
Retailer 14$6,229 AUD
Do Amore Diamonds$10,816 AUD

19 data points across 18 retailers

16 retailers$1,313 AUD to $10,816 AUD

A
Cheapest Retailer
-
$1,313 AUD
$920 USD
A
Retailer 2
-
$1,368 AUD
$959 USD
View
A
Retailer 3
-
$1,490 AUD
$1,044 USD
View
A
Retailer 4
-
$1,588 AUD
$1,113 USD
View
B+
Retailer 5
-
$2,092 AUD
$1,466 USD
View
B+
Retailer 6
-
$2,504 AUD
$1,755 USD
View
B+
Retailer 7
-
$2,504 AUD
$1,755 USD
View
B+
Retailer 8
-
$2,539 AUD
£1,401 GBP
View
B+
Retailer 9
-
$3,286 AUD
$2,303 USD
View
B+
Retailer 10
-
$3,423 AUD
$2,399 USD
View
B
Retailer 11
-
$4,540 AUD
$3,182 USD
View
B
Retailer 12
-
$4,707 AUD
$3,299 USD
View
B
Retailer 13
-
$5,112 AUD
$3,583 USD
View
B
Retailer 14
-
$5,946 AUD
£3,281 GBP
View
B
Retailer 15
-
$6,229 AUD
$4,366 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98684 · Nov 2
$10,816 AUD
$7,580 USD
View
15 more retailers have this diamond
Prices start from $1,313 AUDSave up to $9,503 AUD

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
$1,313 AUD