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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800677028

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

Certificate IGI LG800677028

Diamond specifications and retailer prices

From $581 CAD
£325 GBP
As of October 29, 2026
Save $3,142 CAD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,722 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 LG800677028 or 800677028. Listed at 12 retailers as of October 28, 2026, with prices from $581 to $3,722, a $3,142 spread on the same certified stone. Brilliant Earth lists it at $3,722. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677028
Dimensions5.97 × 5.77 × 3.89 mm
L/W Ratio1.03
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
5.97 mm5.77 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677028
Side View
Table 61.0%Crown 36.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,722 CAD|Low: $578 CAD|High: $3,989 CAD|Avg: $1,600 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$581 CAD
Retailer 3$673 CAD
Retailer 12$674 CAD
Retailer 7$719 CAD
Retailer 9$833 CAD
Retailer 4$877 CAD
Retailer 2$960 CAD
Retailer 11$1,903 CAD
Retailer 6$1,975 CAD
Retailer 10$2,250 CAD
Retailer 8$3,638 CAD
Brilliant Earth$3,722 CAD

28 data points across 12 retailers

12 retailers$581 CAD to $3,722 CAD

A+
Cheapest Retailer
-
$581 CAD
£325 GBP
A
Retailer 2
-
$673 CAD
$479 USD
View
A
Retailer 3
-
$674 CAD
$480 USD
View
A
Retailer 4
-
$719 CAD
$512 USD
View
A
Retailer 5
-
$833 CAD
$593 USD
View
A
Retailer 6
-
$877 CAD
$624 USD
View
A
Retailer 7
-
$960 CAD
€651 EUR
View
B+
Retailer 8
-
$1,903 CAD
$1,355 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,975 CAD
$1,406 USD
View
B+
Retailer 10
-
$2,250 CAD
£1,261 GBP
View
B
Retailer 11
-
$3,638 CAD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
20497229Y · Oct 28
$3,722 CAD
$2,650 USD
View
11 more retailers have this diamond
Prices start from $581 CADSave up to $3,142 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
$581 CAD