Marquise|Lab Grown|IGI

1.56ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG761529952

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG761529952

Diamond specifications and retailer prices

From £453 GBP

$603 USD

As of October 30, 2026

Save £1,998 GBP (82%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £2,451 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise 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 LG761529952 or 761529952. Listed at 26 retailers as of October 29, 2026, with prices from £453 to £2,451, a £1,998 spread on the same certified stone. MOH London lists it at £2,451. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG761529952

Dimensions11.81 × 6.12 × 3.81 mm

L/W Ratio1.93

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG761529952

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: £2,451 GBP|Low: £453 GBP|High: £2,523 GBP|Avg: £1,184 GBP|+1.5%

MOH London

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

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

October 30, 2026

Retailer 9£453 GBP

Retailer 4£507 GBP

Retailer 11£507 GBP

Retailer 24£562 GBP

Retailer 17£565 GBP

Retailer 13£580 GBP

Retailer 10£615 GBP

Retailer 21£657 GBP

Retailer 8£720 GBP

Retailer 22£852 GBP

Retailer 23£861 GBP

Retailer 19£879 GBP

Retailer 5£887 GBP

Retailer 20£965 GBP

Retailer 16£1,322 GBP

Retailer 14£1,393 GBP

Retailer 25£1,477 GBP

Retailer 7£1,637 GBP

Retailer 15£1,773 GBP

Retailer 18£1,801 GBP

Retailer 3£1,810 GBP

Retailer 6£1,816 GBP

Retailer 12£1,862 GBP

Retailer 2£2,193 GBP

MOH London£2,451 GBP

24 data points across 25 retailers

26 retailers£453 GBP to £2,451 GBP

Cheapest Retailer

£453 GBP

$603 USD

Retailer 2

£507 GBP

$675 USD

View

Final sale: no returns

Retailer 3

£507 GBP

$675 USD

View

Retailer 4

£562 GBP

$748 USD

View

Retailer 5

£565 GBP

$752 USD

View

Price last confirmed 14 days ago

Retailer 6

£580 GBP

View

Retailer 7

£615 GBP

HK$6,400 HKD

View

Retailer 8

£657 GBP

$875 USD

View

Retailer 9

£720 GBP

$959 USD

View

Retailer 10

£852 GBP

€1,081 EUR

View

Retailer 11

£861 GBP

$1,146 USD

View

Retailer 12

£879 GBP

View

Retailer 13

£887 GBP

$1,181 USD

View

Retailer 14

£965 GBP

ZAR 20,761 ZAR

View

Retailer 15

£1,322 GBP

A$2,709 AUD

View

Price last confirmed 9 days ago

B+

Retailer 16

£1,393 GBP

$1,855 USD

View

B+

Retailer 17

£1,477 GBP

$1,967 USD

View

B+

Retailer 18

£1,637 GBP

View

B+

Retailer 19

£1,714 GBP

$2,282 USD

View

B+

Retailer 20

£1,773 GBP

SGD 3,191 SGD

View

B+

Retailer 21

£1,801 GBP

$2,399 USD

View

B+

Retailer 22

£1,810 GBP

$2,410 USD

View

B+

Retailer 23

£1,816 GBP

$2,418 USD

View

B+

Retailer 24

£1,862 GBP

$2,480 USD

View

B+

Retailer 25

£2,193 GBP

$2,920 USD

View

Most Expensive

MOH London

LG761529952 · Oct 29

£2,451 GBP

View

25 more retailers have this diamond

Prices start from £453 GBPSave up to £1,998 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.

Similar diamonds

1.56ct Marquise

£453 GBP