Marquise|Lab Grown|IGI

2.58ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG735530850

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735530850

Diamond specifications and retailer prices

From £2,025 GBP

HK$21,200 HKD

As of October 31, 2026

Save £142 GBP (7%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £6,038 GBP at Brilliant Earth · As of October 23, 2026

View at Brilliant Earth

About this 2.58ct lab-grown marquise diamond

This 2.58ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735530850 or 735530850. Listed at 18 retailers as of October 31, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.58

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle39.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG735530850

Dimensions13.32 × 7.34 × 4.53 mm

L/W Ratio1.81

Girdle conditionFaceted

Culet sizePointed

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG735530850

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: Oct 31

Current: £6,038 GBP|Low: £1,282 GBP|High: £6,038 GBP|Avg: £2,933 GBP

Brilliant Earth

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

October 31, 2026

Retailer 17£1,335 GBP

Retailer 4£1,549 GBP

Retailer 7£1,637 GBP

Retailer 9£1,676 GBP

Retailer 10£1,729 GBP

Retailer 2£2,167 GBP

Retailer 11£2,379 GBP

Retailer 12£2,561 GBP

Retailer 13£2,569 GBP

Retailer 3£2,588 GBP

Retailer 6£3,242 GBP

Retailer 14£3,280 GBP

Retailer 16£4,012 GBP

Retailer 8£4,490 GBP

Retailer 15£4,909 GBP

Retailer 5£5,864 GBP

Brilliant Earth£6,038 GBP

26 data points across 17 retailers

18 retailers£2,025 GBP to £2,167 GBP

Retailer 1

£1,335 GBP

$1,789 USD

Price last confirmed 11 days ago

Retailer 2

£1,549 GBP

$2,075 USD

View

Price last confirmed 10 days ago

Retailer 3

£1,676 GBP

$2,245 USD

View

Price last confirmed 9 days ago

Retailer 4

£1,725 GBP

$2,311 USD

View

Price last confirmed 9 days ago

Retailer 5

£1,729 GBP

View

Price last confirmed 10 days ago

Retailer 6

£2,025 GBP

HK$21,200 HKD

View

Retailer 7

£2,167 GBP

A$4,468 AUD

View

Retailer 8

£2,379 GBP

View

Price last confirmed 10 days ago

Retailer 9

£2,561 GBP

$3,431 USD

View

Price last confirmed 11 days ago

Retailer 10

£2,588 GBP

$3,468 USD

View

Price last confirmed 14 days ago

Retailer 11

£3,242 GBP

View

Price last confirmed 11 days ago

Retailer 12

£3,280 GBP

$4,395 USD

View

Price last confirmed 14 days ago

Retailer 13

£4,012 GBP

$5,375 USD

View

Price last confirmed 10 days ago

Retailer 14

£4,621 GBP

$6,192 USD

View

Price last confirmed 11 days ago

Retailer 15

£4,909 GBP

View

Price last confirmed 14 days ago

Retailer 16

£5,864 GBP

SGD 10,618 SGD

View

Price last confirmed 11 days ago

Retailer 17

£5,985 GBP

$8,019 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

15886365A · Oct 23

£6,038 GBP

$8,090 USD

View

Price last confirmed 9 days ago

17 more retailers have this diamond

Prices start from £2,025 GBPSave up to £142 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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