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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG778640051

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778640051

Diamond specifications and retailer prices

From $354 CAD
$253 USD
As of October 26, 2026
Save $1,899 CAD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,253 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778640051 or 778640051. Listed at 15 retailers as of October 26, 2026, with prices from $354 to $2,253, a $1,899 spread on the same certified stone. Brilliant Earth lists it at $2,253. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640051
Dimensions7.24 × 4.93 × 3.46 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
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
7.24 mm4.93 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640051
Side View
Table 62.0%Crown 37°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
A
Excellent
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 26
Current: $2,253 CAD|Low: $354 CAD|High: $2,323 CAD|Avg: $991 CAD|-3.0%
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 29, 2026
Retailer 3$354 CAD
Retailer 15$393 CAD
Retailer 9$654 CAD
Retailer 4$668 CAD
Retailer 10$676 CAD
Retailer 8$700 CAD
Retailer 6$719 CAD
Retailer 2$732 CAD
Retailer 5$812 CAD
Retailer 11$960 CAD
Retailer 14$1,029 CAD
Retailer 16$1,241 CAD
Retailer 7$1,338 CAD
Retailer 13$1,586 CAD
Retailer 12$1,784 CAD
Brilliant Earth$2,253 CAD

41 data points across 16 retailers

15 retailers$354 CAD to $2,253 CAD

A
Cheapest Retailer
-
$354 CAD
$253 USD
Final sale: no returns
A
Retailer 2
-
$393 CAD
$281 USD
View
A
Retailer 3
-
$654 CAD
€445 EUR
View
A
Retailer 4
-
$668 CAD
$477 USD
View
A
Retailer 5
-
$676 CAD
ZAR 7,800 ZAR
View
A
Retailer 6
-
$719 CAD
$514 USD
View
A
Retailer 7
-
$732 CAD
£412 GBP
View
A
Retailer 8
-
$812 CAD
$580 USD
View
A
Retailer 9
-
$960 CAD
A$1,055 AUD
View
A
Retailer 10
-
$1,029 CAD
$735 USD
View
B+
Retailer 11
-
$1,241 CAD
SGD 1,198 SGD
View
B+
Retailer 12
-
$1,338 CAD
$956 USD
View
B+
Retailer 13
-
$1,586 CAD
£892 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$1,784 CAD
$1,275 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21417353A · Oct 29
$2,253 CAD
$1,610 USD
View
14 more retailers have this diamond
Prices start from $354 CADSave up to $1,899 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
1.02ct Cushion
$354 CAD