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Cushion|Lab Grown|IGI

1.15ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663371

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663371

Diamond specifications and retailer prices

From $651 CAD
£367 GBP
As of October 30, 2026
Save $2,213 CAD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,864 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.15ct lab-grown cushion diamond

This 1.15ct 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 LG846663371 or 846663371. Listed at 7 retailers as of October 30, 2026, with prices from $651 to $2,864, a $2,213 spread on the same certified stone. Brilliant Earth lists it at $2,864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663371
Dimensions7.86 × 5.18 × 3.60 mm
L/W Ratio1.52
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
7.86 mm5.18 mm1.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663371
Side View
Table 62.0%Crown 37.4°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 69.5%

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 30
Current: $2,864 CAD|Low: $651 CAD|High: $2,964 CAD|Avg: $1,491 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$651 CAD
Retailer 6$901 CAD
Retailer 4$1,009 CAD
Retailer 3$1,080 CAD
Retailer 7$1,220 CAD
Retailer 2$2,537 CAD
Brilliant Earth$2,864 CAD

5 data points across 7 retailers

7 retailers$651 CAD to $2,864 CAD

A
Cheapest Retailer
-
$651 CAD
£367 GBP
A
Retailer 2
-
$901 CAD
$645 USD
View
A
Retailer 3
-
$1,009 CAD
$722 USD
View
A
Retailer 4
-
$1,080 CAD
$773 USD
View
A
Retailer 5
-
$1,220 CAD
€832 EUR
View
B+
Retailer 6
-
$2,537 CAD
$1,816 USD
View
Most Expensive
B
Brilliant Earth
22319601A · Oct 30
$2,864 CAD
$2,050 USD
View
6 more retailers have this diamond
Prices start from $651 CADSave up to $2,213 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
1.15ct Cushion
$651 CAD