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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818663200

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

Certificate IGI LG818663200

Diamond specifications and retailer prices

From $580 CAD
$413 USD
As of October 28, 2026
Save $3,184 CAD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,765 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG818663200 or 818663200. Listed at 14 retailers as of October 28, 2026, with prices from $580 to $3,765, a $3,184 spread on the same certified stone. Brilliant Earth lists it at $3,765. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663200
Dimensions5.98 × 5.93 × 3.83 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
5.98 mm5.93 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663200
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 64.6%

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: $3,765 CAD|Low: $417 CAD|High: $3,765 CAD|Avg: $1,457 CAD
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
October 29, 2026
Retailer 12$580 CAD
Retailer 6$648 CAD
Retailer 10$879 CAD
Retailer 4$885 CAD
Retailer 13$1,027 CAD
Retailer 11$1,031 CAD
Retailer 3$1,077 CAD
Retailer 7$1,105 CAD
Retailer 9$1,156 CAD
Retailer 5$1,924 CAD
Retailer 14$2,123 CAD
Retailer 8$2,435 CAD
Retailer 2$2,526 CAD
Brilliant Earth$3,765 CAD

34 data points across 14 retailers

14 retailers$580 CAD to $3,765 CAD

A
Cheapest Retailer
-
$580 CAD
$413 USD
Final sale: no returns
A
Retailer 2
-
$648 CAD
$461 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$879 CAD
$626 USD
View
A
Retailer 4
-
$885 CAD
$630 USD
View
A
Retailer 5
-
$1,027 CAD
$731 USD
View
A
Retailer 6
-
$1,031 CAD
€699 EUR
View
A
Retailer 7
-
$1,077 CAD
$767 USD
View
A
Retailer 8
-
$1,105 CAD
ZAR 12,711 ZAR
View
A
Retailer 9
-
$1,156 CAD
£648 GBP
View
B+
Retailer 10
-
$1,924 CAD
$1,370 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$2,123 CAD
$1,511 USD
View
B
Retailer 12
-
$2,435 CAD
$1,734 USD
View
B+
Retailer 13
-
$2,526 CAD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21242362A · Oct 28
$3,765 CAD
$2,680 USD
View
13 more retailers have this diamond
Prices start from $580 CADSave up to $3,184 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
1.03ct Cushion
$580 CAD