Marquise|Lab Grown|IGI

4.54ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG812649300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812649300

Diamond specifications and retailer prices

From €8,149 EUR

$9,104 USD

As of October 31, 2026

Save €25,368 EUR (76%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: €33,517 EUR at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.54ct lab-grown marquise diamond

This 4.54ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812649300 or 812649300. Listed at 22 retailers as of October 30, 2026, with prices from €8,149 to €33,517, a €25,368 spread on the same certified stone. Taylor and Hart lists it at €33,517. 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

4.54

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812649300

Dimensions17.65 × 8.59 × 5.27 mm

L/W Ratio2.05

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812649300

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 31

Current: €9,868 EUR|Low: €7,358 EUR|High: €51,575 EUR|Avg: €16,867 EUR|+3.1%

Retailer 1

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

Retailer 26

Retailer 27

Retailer 28

Taylor and Hart

October 31, 2026

Retailer 14€8,008 EUR

Retailer 7€8,149 EUR

Retailer 2€8,288 EUR

Retailer 16€8,675 EUR

Retailer 23€8,797 EUR

Retailer 20€9,628 EUR

Retailer 13€9,677 EUR

Retailer 17€9,677 EUR

Retailer 1€9,868 EUR

Retailer 12€9,868 EUR

Retailer 28€10,495 EUR

Retailer 22€10,678 EUR

Retailer 15€10,883 EUR

Retailer 25€13,178 EUR

Retailer 26€14,954 EUR

Retailer 11€15,315 EUR

Retailer 19€15,329 EUR

Retailer 8€15,906 EUR

Retailer 3€16,711 EUR

Retailer 27€17,533 EUR

Retailer 9€18,016 EUR

Retailer 4€20,694 EUR

Retailer 24€23,633 EUR

Retailer 18€25,301 EUR

Retailer 6€27,682 EUR

Retailer 10€28,051 EUR

Taylor and Hart€33,517 EUR

Retailer 21€48,823 EUR

Retailer 5€51,575 EUR

21 data points across 29 retailers

22 retailers€8,149 EUR to €33,517 EUR

Retailer 1

€8,008 EUR

$8,947 USD

Price last confirmed 30 days ago

Retailer 2

€8,149 EUR

$9,104 USD

View

Retailer 3

€8,288 EUR

$9,259 USD

View

Retailer 4

€8,797 EUR

CA$13,650 CAD

View

Retailer 5

€9,445 EUR

$10,552 USD

View

Retailer 6

€9,677 EUR

$10,811 USD

View

Price last confirmed 29 days ago

Retailer 7

€9,868 EUR

$11,025 USD

View

Retailer 8

€9,868 EUR

$11,025 USD

View

Retailer 9

€10,678 EUR

$11,929 USD

View

Final sale: no returns

Retailer 10

€10,883 EUR

$12,158 USD

View

Price last confirmed 31 days ago

B+

Retailer 11

€13,178 EUR

£11,592 GBP

View

B+

Retailer 12

€14,954 EUR

$16,707 USD

View

B+

Retailer 13

€15,906 EUR

£13,992 GBP

View

B+

Retailer 14

€16,711 EUR

$18,670 USD

View

B+

Retailer 15

€17,533 EUR

£15,424 GBP

View

B+

Retailer 16

€18,016 EUR

$20,128 USD

View

Retailer 17

€20,694 EUR

$23,120 USD

View

Retailer 18

€23,633 EUR

ZAR 426,548 ZAR

View

Retailer 19

€27,682 EUR

$30,926 USD

View

Retailer 20

€28,051 EUR

$31,339 USD

View

Most Expensive

Taylor and Hart

4LEOVYG · Oct 30

€33,517 EUR

$37,445 USD

View

20 more retailers have this diamond

Prices start from €8,149 EURSave up to €25,368 EUR

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

4.54ct Marquise

€8,149 EUR