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Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG638415667

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG638415667

Diamond specifications and retailer prices

From $719 USD
As of November 1, 2026
Save $2,568 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,287 USD at MOH London · As of October 26, 2026
View at MOH London

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 LG638415667 or 638415667. Listed at 21 retailers as of October 26, 2026, with prices from $719 to $3,287, a $2,568 spread on the same certified stone. MOH London lists it at $3,287. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415667
Dimensions7.71 × 6.21 × 4.23 mm
L/W Ratio1.24
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
7.71 mm6.21 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415667
Side View
Table 64.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 68.1%

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: Nov 1
Current: $3,287 USD|Low: $682 USD|High: $3,327 USD|Avg: $1,723 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$719 USD
Retailer 3$756 USD
Retailer 7$870 USD
Retailer 5$1,174 USD
Retailer 6$1,261 USD
Retailer 10$1,300 USD
Retailer 12$1,639 USD
Retailer 8$1,762 USD
Retailer 4$2,291 USD
Retailer 11$2,455 USD
Retailer 9$3,030 USD
MOH London$3,287 USD

34 data points across 12 retailers

21 retailers$719 USD to $3,287 USD

A+
Cheapest Retailer
-
$719 USD
Final sale: no returns
Retailer 2
-
$756 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$870 USD
View
A
Retailer 4
-
$967 USD
View
A
Retailer 5
-
$1,012 USD
View
A
Retailer 6
-
$1,174 USD
£924 GBP
View
A
Retailer 7
-
$1,196 USD
View
A
Retailer 8
-
$1,261 USD
€1,201 EUR
View
A
Retailer 9
-
$1,300 USD
ZAR 20,995 ZAR
View
Retailer 10
-
$1,307 USD
A$2,011 AUD
View
Price last confirmed 156 days ago
B+
Retailer 11
-
$1,639 USD
View
B+
Retailer 12
-
$1,762 USD
A$2,710 AUD
View
B+
Retailer 13
-
$2,195 USD
£1,728 GBP
View
B+
Retailer 14
-
$2,291 USD
View
B
Retailer 15
-
$2,414 USD
View
B
Retailer 16
-
$2,444 USD
View
Retailer 17
-
$2,455 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$2,500 USD
View
B
Retailer 19
-
$3,030 USD
View
B
Retailer 20
-
$3,240 USD
View
Most Expensive
B
MOH London
LG638415667 · Oct 26
$3,287 USD
£2,588 GBP
View
20 more retailers have this diamond
Prices start from $719 USDSave up to $2,568 USD

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
$719 USD