Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG843638085

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843638085

Diamond specifications and retailer prices

From £413 GBP

$553 USD

As of October 30, 2026

Save £2,218 GBP (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £2,631 GBP at Novita Diamonds · As of October 31, 2026

View at Novita Diamonds

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843638085 or 843638085. Listed at 21 retailers as of October 30, 2026, with prices from £413 to £2,631, a £2,218 spread on the same certified stone. Novita Diamonds lists it at £2,631. 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

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle39.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843638085

Dimensions11.83 × 6.08 × 3.77 mm

L/W Ratio1.95

Girdle conditionFaceted

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

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG843638085

Side View

Caratlytics Score

How it works →

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: Oct 30

Current: £2,631 GBP|Low: £413 GBP|High: £2,631 GBP|Avg: £1,168 GBP

Novita Diamonds

Retailer 2

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November 1, 2026

Retailer 11£413 GBP

Retailer 2£455 GBP

Retailer 7£458 GBP

Retailer 19£508 GBP

Retailer 15£536 GBP

Retailer 17£608 GBP

Retailer 14£681 GBP

Retailer 18£727 GBP

Retailer 16£791 GBP

Retailer 4£871 GBP

Retailer 12£896 GBP

Retailer 10£1,192 GBP

Retailer 9£1,320 GBP

Retailer 3£1,334 GBP

Retailer 6£1,634 GBP

Retailer 5£1,646 GBP

Retailer 20£1,672 GBP

Retailer 8£2,040 GBP

Retailer 13£2,117 GBP

Novita Diamonds£2,631 GBP

5 data points across 20 retailers

21 retailers£413 GBP to £2,631 GBP

Cheapest Retailer

£413 GBP

$553 USD

Retailer 2

£455 GBP

$609 USD

View

Retailer 3

£458 GBP

$614 USD

View

Final sale: no returns

Retailer 4

£508 GBP

$680 USD

View

Retailer 5

£536 GBP

View

Retailer 6

£608 GBP

$815 USD

View

Retailer 7

£681 GBP

$912 USD

View

Retailer 8

£727 GBP

$974 USD

View

Retailer 9

£791 GBP

View

Retailer 10

£871 GBP

$1,167 USD

View

Retailer 11

£896 GBP

ZAR 19,403 ZAR

View

Retailer 12

£1,192 GBP

A$2,457 AUD

View

B+

Retailer 13

£1,320 GBP

$1,769 USD

View

B+

Retailer 14

£1,334 GBP

$1,788 USD

View

B+

Retailer 15

£1,634 GBP

$2,189 USD

View

B+

Retailer 16

£1,646 GBP

$2,206 USD

View

B+

Retailer 17

£1,672 GBP

$2,240 USD

View

B+

Retailer 18

£2,040 GBP

SGD 3,694 SGD

View

B+

Retailer 19

£2,117 GBP

View

Retailer 20

£2,508 GBP

$3,360 USD

View

Most Expensive

Novita Diamonds

cert_843638085 · Oct 31

£2,631 GBP

A$5,423 AUD

View

20 more retailers have this diamond

Prices start from £413 GBPSave up to £2,218 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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