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Cushion|Lab Grown|IGI

1.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818667583

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818667583

Diamond specifications and retailer prices

From $588 AUD
$413 USD
As of October 31, 2026
Save $2,202 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,790 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.13ct lab-grown cushion diamond

This 1.13ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818667583 or 818667583. Listed at 16 retailers as of October 31, 2026, with prices from $588 to $2,790, a $2,202 spread on the same certified stone. Brilliant Earth lists it at $2,790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667583
Dimensions7.73 × 5.16 × 3.44 mm
L/W Ratio1.50
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
7.73 mm5.16 mm1.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667583
Side View
Table 65.0%Crown 35.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 66.7%

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 31
Current: $2,790 AUD|Low: $588 AUD|High: $3,634 AUD|Avg: $1,680 AUD|-22.5%
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
October 31, 2026
Retailer 9$588 AUD
Retailer 15$652 AUD
Retailer 12$673 AUD
Retailer 11$868 AUD
Retailer 2$1,030 AUD
Retailer 16$1,032 AUD
Retailer 5$1,041 AUD
Retailer 14$1,120 AUD
Retailer 10$1,177 AUD
Retailer 6$1,631 AUD
Retailer 4$2,151 AUD
Retailer 7$2,268 AUD
Retailer 8$2,335 AUD
Retailer 3$2,538 AUD
Retailer 13$2,560 AUD
Brilliant Earth$2,790 AUD

27 data points across 16 retailers

16 retailers$588 AUD to $2,790 AUD

A
Cheapest Retailer
-
$588 AUD
$413 USD
Final sale: no returns
A
Retailer 2
-
$652 AUD
$458 USD
View
A
Retailer 3
-
$673 AUD
£372 GBP
View
A
Retailer 4
-
$868 AUD
$610 USD
View
A
Retailer 5
-
$1,030 AUD
€689 EUR
View
A
Retailer 6
-
$1,032 AUD
$725 USD
View
A
Retailer 7
-
$1,041 AUD
$731 USD
View
A
Retailer 8
-
$1,120 AUD
ZAR 12,707 ZAR
View
A
Retailer 9
-
$1,177 AUD
£651 GBP
View
B+
Retailer 10
-
$1,631 AUD
$1,146 USD
View
B+
Retailer 11
-
$2,151 AUD
$1,511 USD
View
B+
Retailer 12
-
$2,268 AUD
SGD 2,153 SGD
View
Retailer 13
-
$2,335 AUD
$1,640 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
$2,538 AUD
£1,404 GBP
View
B
Retailer 15
-
$2,560 AUD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21418193A · Oct 31
$2,790 AUD
$1,960 USD
View
15 more retailers have this diamond
Prices start from $588 AUDSave up to $2,202 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
1.13ct Cushion
$588 AUD