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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 €641 EUR
$719 USD
As of November 1, 2026
Save €2,060 EUR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,930 EUR 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 November 1, 2026, with a 321% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
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
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: Nov 1
Current: €2,930 EUR|Low: €608 EUR|High: €2,967 EUR|Avg: €1,527 EUR|-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 2, 2026
Retailer 7€641 EUR
Retailer 3€674 EUR
Retailer 9€776 EUR
Retailer 6€1,056 EUR
Retailer 8€1,124 EUR
Retailer 5€1,159 EUR
Retailer 2€1,473 EUR
Retailer 10€1,571 EUR
Retailer 4€2,043 EUR
Retailer 12€2,189 EUR
Retailer 11€2,701 EUR
MOH London€2,930 EUR

34 data points across 12 retailers

21 retailers€641 EUR to €2,701 EUR

A
Cheapest Retailer
-
€641 EUR
$719 USD
Final sale: no returns
Retailer 2
-
€674 EUR
$756 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€776 EUR
$870 USD
View
A
Retailer 4
-
€862 EUR
$967 USD
View
A
Retailer 5
-
€902 EUR
$1,012 USD
View
A
Retailer 6
-
€1,056 EUR
£932 GBP
View
A
Retailer 7
-
€1,066 EUR
$1,196 USD
View
A
Retailer 8
-
€1,124 EUR
View
A
Retailer 9
-
€1,159 EUR
ZAR 20,996 ZAR
View
Retailer 10
-
€1,165 EUR
A$2,011 AUD
View
Price last confirmed 158 days ago
B+
Retailer 11
-
€1,473 EUR
$1,652 USD
View
B+
Retailer 12
-
€1,571 EUR
A$2,710 AUD
View
B+
Retailer 13
-
€1,957 EUR
£1,728 GBP
View
B+
Retailer 14
-
€2,043 EUR
$2,291 USD
View
B
Retailer 15
-
€2,152 EUR
$2,414 USD
View
B
Retailer 16
-
€2,179 EUR
$2,444 USD
View
Retailer 17
-
€2,189 EUR
$2,455 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
€2,229 EUR
$2,500 USD
View
B
Retailer 19
-
€2,701 EUR
$3,030 USD
View
Retailer 20
-
€2,889 EUR
$3,240 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG638415667 · Oct 26
€2,930 EUR
£2,588 GBP
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from €641 EURSave up to €2,060 EUR

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
€641 EUR