Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743550597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743550597

Diamond specifications and retailer prices

From £506 GBP

$678 USD

As of November 2, 2026

Save £2,182 GBP (81%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £2,687 GBP at Novita Diamonds · As of October 31, 2026

View at Novita 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 LG743550597 or 743550597. Listed at 26 retailers as of October 31, 2026, with prices from £506 to £2,687, a £2,182 spread on the same certified stone. Novita Diamonds lists it at £2,687. 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 angle35°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG743550597

Dimensions11.99 × 6.11 × 3.83 mm

L/W Ratio1.96

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 LG743550597

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: Nov 2

Current: £2,687 GBP|Low: £506 GBP|High: £2,916 GBP|Avg: £1,454 GBP|-1.2%

Novita Diamonds

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November 3, 2026

Retailer 8£506 GBP

Retailer 5£550 GBP

Retailer 13£566 GBP

Retailer 7£586 GBP

Retailer 3£656 GBP

Retailer 4£716 GBP

Retailer 11£769 GBP

Retailer 16£921 GBP

Retailer 19£938 GBP

Retailer 24£960 GBP

Retailer 25£1,056 GBP

Retailer 20£1,077 GBP

Retailer 22£1,459 GBP

Retailer 2£1,482 GBP

Retailer 10£1,497 GBP

Retailer 9£1,648 GBP

Retailer 14£2,000 GBP

Retailer 15£2,022 GBP

Retailer 12£2,027 GBP

Retailer 6£2,047 GBP

Retailer 17£2,081 GBP

Retailer 23£2,140 GBP

Retailer 18£2,203 GBP

Retailer 21£2,470 GBP

Novita Diamonds£2,687 GBP

27 data points across 25 retailers

26 retailers£506 GBP to £2,687 GBP

A+

Cheapest Retailer

£506 GBP

$678 USD

Retailer 2

£550 GBP

$737 USD

View

Retailer 3

£566 GBP

$759 USD

View

Final sale: no returns

Retailer 4

£586 GBP

$786 USD

View

Retailer 5

£656 GBP

$880 USD

View

Retailer 6

£716 GBP

HK$7,500 HKD

View

Retailer 7

£769 GBP

$1,031 USD

View

Retailer 8

£886 GBP

$1,188 USD

View

Retailer 9

£921 GBP

$1,235 USD

View

Retailer 10

£938 GBP

View

Retailer 11

£960 GBP

€1,226 EUR

View

Retailer 12

£1,056 GBP

A$2,178 AUD

View

Retailer 13

£1,077 GBP

ZAR 23,335 ZAR

View

B+

Retailer 14

£1,459 GBP

A$3,011 AUD

View

B+

Retailer 15

£1,482 GBP

$1,987 USD

View

B+

Retailer 16

£1,497 GBP

$2,008 USD

View

B+

Retailer 17

£1,648 GBP

$2,210 USD

View

B+

Retailer 18

£2,000 GBP

$2,682 USD

View

Retailer 19

£2,022 GBP

$2,711 USD

View

Retailer 20

£2,027 GBP

$2,718 USD

View

B+

Retailer 21

£2,047 GBP

$2,745 USD

View

Retailer 22

£2,081 GBP

SGD 3,772 SGD

View

B+

Retailer 23

£2,140 GBP

$2,870 USD

View

Retailer 24

£2,203 GBP

$2,955 USD

View

B+

Retailer 25

£2,470 GBP

View

Most Expensive

Novita Diamonds

cert_743550597 · Oct 31

£2,687 GBP

A$5,544 AUD

View

25 more retailers have this diamond

Prices start from £506 GBPSave up to £2,182 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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