Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG801688282

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801688282

Diamond specifications and retailer prices

From $371 USD
As of October 31, 2026
Save $2,159 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,530 USD 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 LG801688282 or 801688282. Listed at 21 retailers as of October 31, 2026, with prices from $371 to $2,530, a $2,159 spread on the same certified stone. Brilliant Earth lists it at $2,530. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801688282
Dimensions7.30 × 6.42 × 4.24 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm6.42 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801688282
Side View
Table 60.0%Crown 37.7°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 66.0%

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: Oct 31
Current: $2,530 USD|Low: $371 USD|High: $3,390 USD|Avg: $1,822 USD|-25.1%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 20
November 1, 2026
Retailer 6$371 USD
Retailer 13$423 USD
Retailer 19$552 USD
Retailer 15$655 USD
Retailer 14$730 USD
Retailer 17$745 USD
Retailer 8$905 USD
Retailer 16$1,017 USD
Retailer 3$1,100 USD
Retailer 5$1,306 USD
Retailer 4$1,365 USD
Retailer 18$1,442 USD
Retailer 9$1,513 USD
Retailer 7$1,600 USD
Retailer 20$1,613 USD
Retailer 2$1,647 USD
Retailer 12$1,737 USD
Retailer 10$2,067 USD
Retailer 11$2,525 USD
Brilliant Earth$2,530 USD

32 data points across 20 retailers

21 retailers$371 USD to $2,530 USD

A
Cheapest Retailer
-
$371 USD
Final sale: no returns
A
Retailer 2
-
$423 USD
£333 GBP
View
A
Retailer 3
-
$552 USD
View
A
Retailer 4
-
$655 USD
€624 EUR
View
A
Retailer 5
-
$730 USD
£575 GBP
View
A
Retailer 6
-
$745 USD
View
Retailer 7
-
$831 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$905 USD
View
A
Retailer 9
-
$1,017 USD
View
A
Retailer 10
-
$1,100 USD
View
A
Retailer 11
-
$1,306 USD
View
A
Retailer 12
-
$1,365 USD
View
A
Retailer 13
-
$1,442 USD
View
Retailer 14
-
$1,513 USD
ZAR 24,440 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,600 USD
£1,260 GBP
View
B+
Retailer 16
-
$1,613 USD
View
B+
Retailer 17
-
$1,647 USD
£1,297 GBP
View
Retailer 18
-
$1,737 USD
A$2,673 AUD
View
Price last confirmed 24 days ago
Retailer 19
-
$2,067 USD
A$3,180 AUD
View
Price last confirmed 10 days ago
Retailer 20
-
$2,525 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20240081A · Oct 31
$2,530 USD
View
20 more retailers have this diamond
Prices start from $371 USDSave up to $2,159 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
$371 USD