Cushion|Lab Grown|IGI

1.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825660202

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660202

Diamond specifications and retailer prices

From $669 CAD
$479 USD
As of October 30, 2026
Save $2,767 CAD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,436 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660202 or 825660202. Listed at 15 retailers as of October 30, 2026, with prices from $669 to $3,436, a $2,767 spread on the same certified stone. Brilliant Earth lists it at $3,436. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660202
Dimensions8.30 × 5.50 × 3.68 mm
L/W Ratio1.51
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
8.30 mm5.50 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660202
Side View
Table 61.0%Crown 30.9°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 66.9%

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 30
Current: $3,436 CAD|Low: $669 CAD|High: $4,022 CAD|Avg: $1,908 CAD|-10.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15$669 CAD
Retailer 11$718 CAD
Retailer 10$1,083 CAD
Retailer 8$1,135 CAD
Retailer 3$1,136 CAD
Retailer 2$1,182 CAD
Retailer 9$1,234 CAD
Retailer 13$1,264 CAD
Retailer 4$1,731 CAD
Retailer 6$2,319 CAD
Retailer 14$2,356 CAD
Retailer 5$2,494 CAD
Retailer 12$2,640 CAD
Retailer 7$2,768 CAD
Brilliant Earth$3,436 CAD

39 data points across 15 retailers

15 retailers$669 CAD to $3,436 CAD

A
Cheapest Retailer
-
$669 CAD
$479 USD
Final sale: no returns
A
Retailer 2
-
$718 CAD
$514 USD
View
A
Retailer 3
-
$1,083 CAD
$775 USD
View
A
Retailer 4
-
$1,135 CAD
€774 EUR
View
A
Retailer 5
-
$1,136 CAD
$813 USD
View
A
Retailer 6
-
$1,182 CAD
£666 GBP
View
A
Retailer 7
-
$1,234 CAD
ZAR 14,267 ZAR
View
A
Retailer 8
-
$1,264 CAD
$905 USD
View
B+
Retailer 9
-
$1,731 CAD
$1,239 USD
View
Retailer 10
-
$2,319 CAD
$1,660 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$2,356 CAD
$1,686 USD
View
B+
Retailer 12
-
$2,494 CAD
SGD 2,413 SGD
View
B+
Retailer 13
-
$2,640 CAD
£1,488 GBP
View
Retailer 14
-
$2,768 CAD
£1,560 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21434032A · Oct 30
$3,436 CAD
$2,460 USD
View
14 more retailers have this diamond
Prices start from $669 CADSave up to $2,767 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
1.28ct Cushion
$669 CAD