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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825633209

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

Certificate IGI LG825633209

Diamond specifications and retailer prices

From $1,310 AUD
$918 USD
As of November 1, 2026
Save $5,568 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,878 AUD at Brilliant Earth · As of November 2, 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 LG825633209 or 825633209. Listed at 14 retailers as of November 1, 2026, with prices from $1,310 to $6,878, a $5,568 spread on the same certified stone. Brilliant Earth lists it at $6,878. 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 angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633209
Dimensions6.61 × 6.54 × 4.24 mm
L/W Ratio1.01
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
6.61 mm6.54 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633209
Side View
Table 65.0%Crown 36.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 64.8%

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: Nov 1
Current: $2,085 AUD|Low: $1,310 AUD|High: $5,152 AUD|Avg: $2,979 AUD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$1,310 AUD
Retailer 7$1,535 AUD
Retailer 9$1,612 AUD
Retailer 3$1,677 AUD
Retailer 2$1,943 AUD
Retailer 1$2,085 AUD
Retailer 6$2,382 AUD
Retailer 5$2,495 AUD
Retailer 10$4,249 AUD
Retailer 12$4,528 AUD
Retailer 4$4,702 AUD
Retailer 8$5,090 AUD

41 data points across 12 retailers

14 retailers$1,310 AUD to $6,878 AUD

A
Cheapest Retailer
-
$1,310 AUD
$918 USD
Final sale: no returns
A
Retailer 2
-
$1,535 AUD
£847 GBP
View
A
Retailer 3
-
$1,612 AUD
$1,130 USD
View
A
Retailer 4
-
$1,677 AUD
$1,175 USD
View
A
Retailer 5
-
$1,943 AUD
$1,362 USD
View
A
Retailer 6
-
$2,085 AUD
£1,151 GBP
View
B+
Retailer 7
-
$2,382 AUD
€1,590 EUR
View
B+
Retailer 8
-
$2,495 AUD
ZAR 28,249 ZAR
View
B+
Retailer 9
-
$3,753 AUD
$2,630 USD
View
B
Retailer 10
-
$4,249 AUD
$2,978 USD
View
B
Retailer 11
-
$4,528 AUD
$3,173 USD
View
B
Retailer 12
-
$4,702 AUD
$3,295 USD
View
B
Retailer 13
-
$5,090 AUD
£2,809 GBP
View
Most Expensive
B
Brilliant Earth
22411773A · Nov 2
$6,878 AUD
$4,820 USD
View
13 more retailers have this diamond
Prices start from $1,310 AUDSave up to $5,568 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
$1,310 AUD