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Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG618401771

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG618401771

Diamond specifications and retailer prices

From $1,004 CAD
$719 USD
As of November 1, 2026
Save $4,066 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,071 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown cushion diamond

This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618401771 or 618401771. Listed at 17 retailers as of October 31, 2026, with prices from $1,004 to $5,071, a $4,066 spread on the same certified stone. Brilliant Earth lists it at $5,071. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401771
Dimensions7.86 × 6.27 × 4.21 mm
L/W Ratio1.25
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
7.86 mm6.27 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG618401771
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 67.1%

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: Nov 1
Current: $5,071 CAD|Low: $954 CAD|High: $5,071 CAD|Avg: $2,077 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
November 1, 2026
Retailer 11$1,004 CAD
Retailer 3$1,056 CAD
Retailer 13$1,099 CAD
Retailer 8$1,215 CAD
Retailer 4$1,351 CAD
Retailer 5$1,414 CAD
Retailer 7$1,600 CAD
Retailer 6$1,640 CAD
Retailer 10$1,815 CAD
Retailer 9$2,290 CAD
Retailer 12$3,200 CAD
Retailer 2$4,586 CAD
Brilliant Earth$5,071 CAD

41 data points across 13 retailers

17 retailers$1,004 CAD to $5,071 CAD

A
Cheapest Retailer
-
$1,004 CAD
$719 USD
Final sale: no returns
Retailer 2
-
$1,056 CAD
$756 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$1,099 CAD
£619 GBP
View
Price last confirmed 18 days ago
A
Retailer 4
-
$1,215 CAD
$870 USD
View
A
Retailer 5
-
$1,351 CAD
$967 USD
View
A
Retailer 6
-
$1,414 CAD
$1,012 USD
View
A
Retailer 7
-
$1,600 CAD
€1,091 EUR
View
A
Retailer 8
-
$1,640 CAD
£924 GBP
View
A
Retailer 9
-
$1,671 CAD
$1,196 USD
View
A
Retailer 10
-
$1,815 CAD
ZAR 20,995 ZAR
View
B+
Retailer 11
-
$2,290 CAD
$1,639 USD
View
B+
Retailer 12
-
$3,066 CAD
£1,728 GBP
View
B+
Retailer 13
-
$3,200 CAD
$2,291 USD
View
B
Retailer 14
-
$3,414 CAD
$2,444 USD
View
B
Retailer 15
-
$3,492 CAD
$2,500 USD
View
B
Retailer 16
-
$4,586 CAD
£2,585 GBP
View
Most Expensive
B
Brilliant Earth
12221907A · Oct 31
$5,071 CAD
$3,630 USD
View
16 more retailers have this diamond
Prices start from $1,004 CADSave up to $4,066 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
1.57ct Cushion
$1,004 CAD