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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 $592 CAD
$423 USD
As of October 28, 2026
Save $2,865 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,457 CAD at Brilliant Earth · As of October 29, 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 28, 2026, with prices from $592 to $3,457, a $2,865 spread on the same certified stone. Brilliant Earth lists it at $3,457. 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
Color
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

How it works →
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 28
Current: $3,457 CAD|Low: $578 CAD|High: $3,625 CAD|Avg: $1,687 CAD|-4.6%
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 30, 2026
Retailer 14$592 CAD
Retailer 15$641 CAD
Retailer 2$662 CAD
Retailer 13$966 CAD
Retailer 16$1,015 CAD
Retailer 10$1,020 CAD
Retailer 5$1,023 CAD
Retailer 12$1,101 CAD
Retailer 9$1,157 CAD
Retailer 6$1,604 CAD
Retailer 4$2,115 CAD
Retailer 7$2,230 CAD
Retailer 8$2,295 CAD
Retailer 3$2,496 CAD
Retailer 11$2,517 CAD
Brilliant Earth$3,457 CAD

28 data points across 16 retailers

16 retailers$592 CAD to $3,457 CAD

A
Cheapest Retailer
-
$592 CAD
$423 USD
Final sale: no returns
A
Retailer 2
-
$641 CAD
$458 USD
View
A
Retailer 3
-
$662 CAD
£372 GBP
View
A
Retailer 4
-
$966 CAD
$690 USD
View
A
Retailer 5
-
$1,015 CAD
$725 USD
View
A
Retailer 6
-
$1,020 CAD
€694 EUR
View
A
Retailer 7
-
$1,023 CAD
$731 USD
View
A
Retailer 8
-
$1,101 CAD
ZAR 12,707 ZAR
View
A
Retailer 9
-
$1,157 CAD
£651 GBP
View
B+
Retailer 10
-
$1,604 CAD
$1,146 USD
View
B+
Retailer 11
-
$2,115 CAD
$1,511 USD
View
B+
Retailer 12
-
$2,230 CAD
SGD 2,153 SGD
View
Retailer 13
-
$2,295 CAD
$1,640 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$2,496 CAD
£1,404 GBP
View
B+
Retailer 15
-
$2,517 CAD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21418193A · Oct 29
$3,457 CAD
$2,470 USD
View
15 more retailers have this diamond
Prices start from $592 CADSave up to $2,865 CAD

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
$592 CAD