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Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

GD • E/IF • IGI LG737565888

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG737565888

Diamond specifications and retailer prices

From £295 GBP
$395 USD
As of November 1, 2026
Save £1,593 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,888 GBP 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 standard cut grade and certified by IGI LG737565888 or 737565888. Listed at 18 retailers as of October 31, 2026, with prices from £295 to £1,888, a £1,593 spread on the same certified stone. Brilliant Earth lists it at £1,888. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.57
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737565888
Dimensions9.01 × 5.88 × 3.75 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.01 mm5.88 mm1.57 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737565888
Side View
Table 64.0%Crown 34.4°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 63.8%

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: £1,888 GBP|Low: £295 GBP|High: £1,888 GBP|Avg: £843 GBP
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 6£295 GBP
Retailer 10£336 GBP
Retailer 13£516 GBP
Retailer 8£524 GBP
Retailer 14£526 GBP
Retailer 7£561 GBP
Retailer 3£574 GBP
Retailer 11£587 GBP
Retailer 17£757 GBP
Retailer 15£815 GBP
Retailer 4£826 GBP
Retailer 5£1,080 GBP
Retailer 16£1,152 GBP
Retailer 12£1,274 GBP
Retailer 2£1,276 GBP
Retailer 9£1,761 GBP
Brilliant Earth£1,888 GBP

32 data points across 17 retailers

18 retailers£295 GBP to £1,888 GBP

A
Cheapest Retailer
-
£295 GBP
$395 USD
Final sale: no returns
A
Retailer 2
-
£336 GBP
View
Retailer 3
-
£353 GBP
$473 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£516 GBP
€659 EUR
View
A
Retailer 5
-
£524 GBP
$702 USD
View
B+
Retailer 6
-
£526 GBP
$705 USD
View
A
Retailer 7
-
£561 GBP
ZAR 12,141 ZAR
View
A
Retailer 8
-
£574 GBP
$769 USD
View
A
Retailer 9
-
£587 GBP
View
A
Retailer 10
-
£757 GBP
A$1,561 AUD
View
B+
Retailer 11
-
£815 GBP
$1,092 USD
View
B+
Retailer 12
-
£826 GBP
$1,107 USD
View
B+
Retailer 13
-
£1,080 GBP
$1,447 USD
View
B+
Retailer 14
-
£1,152 GBP
$1,543 USD
View
B+
Retailer 15
-
£1,274 GBP
View
B+
Retailer 16
-
£1,276 GBP
View
Retailer 17
-
£1,761 GBP
$2,360 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22350092A · Oct 31
£1,888 GBP
$2,530 USD
View
17 more retailers have this diamond
Prices start from £295 GBPSave up to £1,593 GBP

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
£295 GBP