Marquise|Lab Grown|IGI

1.79ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG823635229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823635229

Diamond specifications and retailer prices

From £466 GBP

$624 USD

As of October 30, 2026

Save £2,579 GBP (85%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £3,045 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.79ct lab-grown marquise diamond

This 1.79ct 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 LG823635229 or 823635229. Listed at 26 retailers as of October 30, 2026, with prices from £466 to £3,045, a £2,579 spread on the same certified stone. Brilliant Earth lists it at £3,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823635229

Dimensions13.08 × 6.26 × 3.92 mm

L/W Ratio2.09

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG823635229

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: £3,045 GBP|Low: £520 GBP|High: £3,523 GBP|Avg: £1,456 GBP|-13.6%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 14£520 GBP

Retailer 8£577 GBP

Retailer 2£596 GBP

Retailer 19£630 GBP

Retailer 18£672 GBP

Retailer 4£787 GBP

Retailer 20£877 GBP

Retailer 13£904 GBP

Retailer 17£992 GBP

Retailer 9£1,113 GBP

Retailer 22£1,343 GBP

Retailer 23£1,432 GBP

Retailer 10£1,518 GBP

Retailer 15£1,683 GBP

Retailer 3£1,740 GBP

Retailer 7£1,823 GBP

Retailer 16£1,864 GBP

Retailer 11£1,900 GBP

Retailer 6£1,914 GBP

Retailer 5£2,268 GBP

Retailer 21£2,278 GBP

Retailer 12£2,332 GBP

Brilliant Earth£3,045 GBP

33 data points across 23 retailers

26 retailers£466 GBP to £3,045 GBP

Cheapest Retailer

£466 GBP

$624 USD

Retailer 2

£520 GBP

$697 USD

View

Final sale: no returns

Retailer 3

£521 GBP

$698 USD

View

Retailer 4

£577 GBP

$773 USD

View

Retailer 5

£577 GBP

$773 USD

View

Price last confirmed 14 days ago

Retailer 6

£596 GBP

View

Retailer 7

£630 GBP

HK$6,600 HKD

View

Retailer 8

£672 GBP

$900 USD

View

Retailer 9

£787 GBP

$1,055 USD

View

Retailer 10

£877 GBP

€1,119 EUR

View

Retailer 11

£904 GBP

View

Retailer 12

£992 GBP

ZAR 21,470 ZAR

View

Retailer 13

£1,113 GBP

$1,491 USD

View

Retailer 14

£1,343 GBP

A$2,769 AUD

View

Price last confirmed 9 days ago

B+

Retailer 15

£1,432 GBP

$1,919 USD

View

B+

Retailer 16

£1,518 GBP

$2,034 USD

View

B+

Retailer 17

£1,683 GBP

View

B+

Retailer 18

£1,740 GBP

$2,331 USD

View

B+

Retailer 19

£1,823 GBP

SGD 3,301 SGD

View

B+

Retailer 20

£1,864 GBP

$2,498 USD

View

B+

Retailer 21

£1,900 GBP

$2,545 USD

View

B+

Retailer 22

£1,914 GBP

$2,564 USD

View

Retailer 23

£2,268 GBP

A$4,675 AUD

View

Price last confirmed 21 days ago

B+

Retailer 24

£2,278 GBP

View

Retailer 25

£2,332 GBP

View

Most Expensive

Brilliant Earth

21694417A · Oct 30

£3,045 GBP

$4,080 USD

View

25 more retailers have this diamond

Prices start from £466 GBPSave up to £2,579 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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