Princess|Lab Grown|IGI

1.57ct E IF Princess Lab Grown Diamond

EX • E/IF • IGI LG804627351

Shape and cutting style on the report: Princess cut

Certificate IGI LG804627351

Diamond specifications and retailer prices

From £326 GBP

$437 USD

As of October 30, 2026

Save £1,808 GBP (85%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £2,135 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.57ct lab-grown princess diamond

This 1.57ct lab-grown princess 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 LG804627351 or 804627351. Listed at 18 retailers as of October 30, 2026, with prices from £326 to £2,135, a £1,808 spread on the same certified stone. Brilliant Earth lists it at £2,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishVery Good

SymmetryExcellent

FluorescenceNone

Crown angle49.6°

Pavilion angle37.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804627351

Dimensions6.28 × 6.25 × 4.54 mm

L/W Ratio1.00

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishVery Good

SymmetryExcellent

FluorescenceNone

CertificateIGI LG804627351

Side View

Caratlytics Score

How it works →

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 30

Current: £2,135 GBP|Low: £326 GBP|High: £2,135 GBP|Avg: £840 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

October 31, 2026

Retailer 3£326 GBP

Retailer 11£326 GBP

Retailer 9£437 GBP

Retailer 16£573 GBP

Retailer 2£593 GBP

Retailer 14£601 GBP

Retailer 8£626 GBP

Retailer 6£638 GBP

Retailer 13£836 GBP

Retailer 10£1,014 GBP

Retailer 4£1,150 GBP

Retailer 12£1,165 GBP

Retailer 5£1,190 GBP

Retailer 15£1,362 GBP

Retailer 7£1,428 GBP

Brilliant Earth£2,135 GBP

19 data points across 16 retailers

18 retailers£326 GBP to £2,135 GBP

Retailer 1

£311 GBP

$417 USD

Price last confirmed 39 days ago

Retailer 2

£326 GBP

$437 USD

View

Final sale: no returns

Retailer 3

£326 GBP

$437 USD

View

Retailer 4

£381 GBP

$510 USD

View

Price last confirmed 38 days ago

Retailer 5

£437 GBP

$585 USD

View

Retailer 6

£573 GBP

$768 USD

View

Retailer 7

£593 GBP

View

Retailer 8

£601 GBP

$805 USD

View

Retailer 9

£626 GBP

ZAR 13,556 ZAR

View

Price last confirmed 7 days ago

Retailer 10

£638 GBP

€814 EUR

View

Retailer 11

£836 GBP

$1,120 USD

View

Retailer 12

£1,014 GBP

$1,359 USD

View

Retailer 13

£1,150 GBP

SGD 2,082 SGD

View

Retailer 14

£1,165 GBP

$1,561 USD

View

Retailer 15

£1,190 GBP

$1,594 USD

View

B+

Retailer 16

£1,362 GBP

$1,825 USD

View

B+

Retailer 17

£1,428 GBP

View

Most Expensive

Brilliant Earth

20125141A · Oct 30

£2,135 GBP

$2,860 USD

View

17 more retailers have this diamond

Prices start from £326 GBPSave up to £1,808 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.

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1.57ct Princess

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