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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 €641 EUR
$719 USD
As of November 1, 2026
Save €2,595 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,236 EUR at Brilliant Earth · As of November 2, 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 16 retailers as of November 1, 2026, with prices from €641 to €3,236, a €2,595 spread on the same certified stone. Brilliant Earth lists it at €3,236. 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
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: €3,236 EUR|Low: €609 EUR|High: €3,236 EUR|Avg: €1,358 EUR
Brilliant Earth
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 10€641 EUR
Retailer 3€674 EUR
Retailer 12€701 EUR
Retailer 9€776 EUR
Retailer 4€862 EUR
Retailer 8€1,021 EUR
Retailer 6€1,056 EUR
Retailer 5€1,159 EUR
Retailer 2€1,473 EUR
Retailer 11€2,043 EUR
Retailer 7€2,927 EUR
Brilliant Earth€3,236 EUR

40 data points across 12 retailers

16 retailers€641 EUR to €3,236 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
-
€1,021 EUR
View
A
Retailer 7
-
€1,056 EUR
£932 GBP
View
A
Retailer 8
-
€1,066 EUR
$1,196 USD
View
A
Retailer 9
-
€1,159 EUR
ZAR 20,996 ZAR
View
B+
Retailer 10
-
€1,473 EUR
$1,652 USD
View
B+
Retailer 11
-
€1,957 EUR
£1,728 GBP
View
B+
Retailer 12
-
€2,043 EUR
$2,291 USD
View
B
Retailer 13
-
€2,179 EUR
$2,444 USD
View
B
Retailer 14
-
€2,229 EUR
$2,500 USD
View
B
Retailer 15
-
€2,927 EUR
£2,585 GBP
View
Most Expensive
B
Brilliant Earth
12221907A · Nov 2
€3,236 EUR
$3,630 USD
View
15 more retailers have this diamond
Prices start from €641 EURSave up to €2,595 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