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Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681100

Diamond specifications and retailer prices

From $1,042 AUD
$730 USD
As of November 3, 2026
Save $4,181 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,222 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG818681100 or 818681100. Listed at 16 retailers as of November 2, 2026, with prices from $1,042 to $5,222, a $4,181 spread on the same certified stone. Brilliant Earth lists it at $5,222. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681100
Dimensions8.60 × 5.78 × 3.81 mm
L/W Ratio1.49
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
8.60 mm5.78 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681100
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 65.9%

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 3
Current: $5,222 AUD|Low: $989 AUD|High: $6,978 AUD|Avg: $2,541 AUD|-25.2%
Brilliant Earth
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
November 3, 2026
Retailer 8$989 AUD
Retailer 14$1,042 AUD
Retailer 4$1,220 AUD
Retailer 11$1,350 AUD
Retailer 5$1,404 AUD
Retailer 2$1,505 AUD
Retailer 12$1,558 AUD
Retailer 15$1,577 AUD
Retailer 10$2,136 AUD
Retailer 3$2,631 AUD
Retailer 6$2,938 AUD
Retailer 16$2,940 AUD
Retailer 9$3,248 AUD
Retailer 13$3,771 AUD
Retailer 7$3,874 AUD
Brilliant Earth$5,222 AUD

30 data points across 16 retailers

16 retailers$1,042 AUD to $5,222 AUD

Retailer 1
-
$989 AUD
$693 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$1,042 AUD
$730 USD
View
A
Retailer 3
-
$1,220 AUD
$855 USD
View
A
Retailer 4
-
$1,350 AUD
€901 EUR
View
A
Retailer 5
-
$1,404 AUD
$984 USD
View
A
Retailer 6
-
$1,505 AUD
£831 GBP
View
A
Retailer 7
-
$1,558 AUD
ZAR 17,644 ZAR
View
A
Retailer 8
-
$1,577 AUD
$1,105 USD
View
A
Retailer 9
-
$2,136 AUD
$1,497 USD
View
B+
Retailer 10
-
$2,631 AUD
£1,452 GBP
View
B+
Retailer 11
-
$2,938 AUD
SGD 2,782 SGD
View
B+
Retailer 12
-
$2,940 AUD
$2,061 USD
View
B+
Retailer 13
-
$3,248 AUD
$2,276 USD
View
B+
Retailer 14
-
$3,771 AUD
£2,081 GBP
View
Retailer 15
-
$3,874 AUD
$2,715 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21418369A · Nov 2
$5,222 AUD
$3,660 USD
View
15 more retailers have this diamond
Prices start from $1,042 AUDSave up to $4,181 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
1.53ct Cushion
$1,042 AUD