Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG726520909

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726520909

Diamond specifications and retailer prices

From £573 GBP

$768 USD

As of November 3, 2026

Save £3,491 GBP (86%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: £4,064 GBP at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG726520909 or 726520909. Listed at 31 retailers as of November 2, 2026, with prices from £573 to £4,064, a £3,491 spread on the same certified stone. Do Amore Diamonds lists it at £4,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG726520909

Dimensions12.66 × 6.01 × 3.71 mm

L/W Ratio2.11

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 LG726520909

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: Nov 3

Current: £4,064 GBP|Low: £458 GBP|High: £4,064 GBP|Avg: £1,501 GBP

Do Amore Diamonds

Retailer 2

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November 3, 2026

Retailer 14£458 GBP

Retailer 12£567 GBP

Retailer 13£573 GBP

Retailer 24£693 GBP

Retailer 11£696 GBP

Retailer 6£726 GBP

Retailer 3£773 GBP

Retailer 17£886 GBP

Retailer 18£938 GBP

Retailer 23£960 GBP

Retailer 16£1,060 GBP

Retailer 19£1,077 GBP

Retailer 5£1,409 GBP

Retailer 21£1,459 GBP

Retailer 2£1,482 GBP

Retailer 10£1,811 GBP

Retailer 7£1,861 GBP

Retailer 4£2,047 GBP

Retailer 9£2,106 GBP

Retailer 22£2,118 GBP

Retailer 15£2,233 GBP

Retailer 20£2,470 GBP

Retailer 8£2,724 GBP

Do Amore Diamonds£4,064 GBP

36 data points across 24 retailers

31 retailers£573 GBP to £4,064 GBP

Retailer 1

£458 GBP

$614 USD

Price last confirmed 26 days ago

Retailer 2

£513 GBP

$688 USD

View

Price last confirmed 34 days ago

Retailer 3

£558 GBP

$748 USD

View

Price last confirmed 35 days ago

Retailer 4

£567 GBP

$761 USD

View

Price last confirmed 26 days ago

Retailer 5

£567 GBP

$761 USD

View

Price last confirmed 24 days ago

Retailer 6

£573 GBP

$768 USD

View

Final sale: no returns

Retailer 7

£587 GBP

$787 USD

View

Price last confirmed 36 days ago

Retailer 8

£693 GBP

$930 USD

View

Retailer 9

£696 GBP

$933 USD

View

Retailer 10

£726 GBP

$973 USD

View

Retailer 11

£773 GBP

HK$8,100 HKD

View

Retailer 12

£886 GBP

$1,188 USD

View

Retailer 13

£938 GBP

View

Retailer 14

£960 GBP

€1,226 EUR

View

Retailer 15

£1,060 GBP

A$2,188 AUD

View

Retailer 16

£1,077 GBP

ZAR 23,335 ZAR

View

B+

Retailer 17

£1,409 GBP

$1,889 USD

View

B+

Retailer 18

£1,459 GBP

A$3,011 AUD

View

B+

Retailer 19

£1,482 GBP

$1,987 USD

View

Retailer 20

£1,648 GBP

$2,210 USD

View

Price last confirmed 24 days ago

B+

Retailer 21

£1,648 GBP

$2,210 USD

View

B+

Retailer 22

£1,811 GBP

$2,429 USD

View

Retailer 23

£1,846 GBP

$2,475 USD

View

Price last confirmed 34 days ago

B+

Retailer 24

£1,861 GBP

$2,496 USD

View

B+

Retailer 25

£2,047 GBP

$2,745 USD

View

B+

Retailer 26

£2,106 GBP

$2,824 USD

View

B+

Retailer 27

£2,118 GBP

$2,840 USD

View

B+

Retailer 28

£2,233 GBP

SGD 4,047 SGD

View

B+

Retailer 29

£2,470 GBP

View

Retailer 30

£2,724 GBP

A$5,621 AUD

View

Price last confirmed 26 days ago

Most Expensive

Do Amore Diamonds

27-1D4F8C511 · Nov 2

£4,064 GBP

$5,450 USD

View

30 more retailers have this diamond

Prices start from £573 GBPSave up to £3,491 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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