Emerald|Lab Grown|IGI

4.50ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780662916

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780662916

Diamond specifications and retailer prices

From €5,383 EUR

$6,014 USD

As of October 30, 2026

Save €17,129 EUR (76%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €22,512 EUR at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.5ct lab-grown emerald diamond

This 4.5ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662916 or 780662916. Listed at 13 retailers as of October 30, 2026, with prices from €5,383 to €22,512, a €17,129 spread on the same certified stone. Taylor and Hart lists it at €22,512. 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

4.50

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle38.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780662916

Dimensions11.18 × 7.80 × 5.06 mm

L/W Ratio1.43

Culet sizeLarge

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 LG780662916

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 30

Current: €8,144 EUR|Low: €5,383 EUR|High: €22,512 EUR|Avg: €12,330 EUR|-9.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Taylor and Hart

October 31, 2026

Retailer 9€5,383 EUR

Retailer 12€5,409 EUR

Retailer 1€8,144 EUR

Retailer 3€8,318 EUR

Retailer 2€10,115 EUR

Retailer 10€10,707 EUR

Retailer 7€10,811 EUR

Retailer 4€11,147 EUR

Retailer 5€11,932 EUR

Retailer 8€13,049 EUR

Retailer 6€13,818 EUR

Retailer 11€17,723 EUR

Taylor and Hart€22,512 EUR

42 data points across 13 retailers

13 retailers€5,383 EUR to €22,512 EUR

Cheapest Retailer

€5,383 EUR

$6,014 USD

Retailer 2

€5,409 EUR

$6,043 USD

View

B+

Retailer 3

€8,144 EUR

£7,164 GBP

View

B+

Retailer 4

€8,318 EUR

HK$72,600 HKD

View

B+

Retailer 5

€10,115 EUR

$11,300 USD

View

B+

Retailer 6

€10,707 EUR

$11,962 USD

View

B+

Retailer 7

€10,811 EUR

View

B+

Retailer 8

€11,147 EUR

$12,453 USD

View

B+

Retailer 9

€11,932 EUR

$13,330 USD

View

B+

Retailer 10

€13,049 EUR

£11,479 GBP

View

B+

Retailer 11

€13,818 EUR

ZAR 249,403 ZAR

View

Retailer 12

€17,723 EUR

$19,800 USD

View

Most Expensive

Taylor and Hart

HC5ZI25 · Oct 30

€22,512 EUR

$25,150 USD

View

12 more retailers have this diamond

Prices start from €5,383 EURSave up to €17,129 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.

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4.50ct Emerald

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