Emerald|Lab Grown|IGI

4.23ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG799676746

Shape and cutting style on the report: Emerald cut

Certificate IGI LG799676746

Diamond specifications and retailer prices

From £3,582 GBP

$4,799 USD

As of October 30, 2026

Save £11,306 GBP (76%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £14,887 GBP at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.23ct lab-grown emerald diamond

This 4.23ct 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 LG799676746 or 799676746. Listed at 23 retailers as of October 30, 2026, with prices from £3,582 to £14,887, a £11,306 spread on the same certified stone. Taylor and Hart lists it at £14,887. 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

4.23

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.7°

Pavilion angle38.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG799676746

Dimensions11.14 × 7.68 × 4.94 mm

L/W Ratio1.45

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG799676746

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: £10,687 GBP|Low: £3,438 GBP|High: £16,636 GBP|Avg: £7,048 GBP|-35.8%

Retailer 1

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Taylor and Hart

October 30, 2026

Retailer 20£3,582 GBP

Retailer 21£3,754 GBP

Retailer 6£3,894 GBP

Retailer 7£4,012 GBP

Retailer 3£4,155 GBP

Retailer 14£4,155 GBP

Retailer 19£4,176 GBP

Retailer 5£4,751 GBP

Retailer 8£4,948 GBP

Retailer 13£5,192 GBP

Retailer 12£5,291 GBP

Retailer 18£5,306 GBP

Retailer 9£5,869 GBP

Retailer 4£6,423 GBP

Retailer 16£6,797 GBP

Retailer 17£8,649 GBP

Retailer 15£8,843 GBP

Retailer 2£10,487 GBP

Retailer 1£10,687 GBP

Retailer 10£11,550 GBP

Retailer 11£14,329 GBP

Taylor and Hart£14,887 GBP

41 data points across 22 retailers

23 retailers£3,582 GBP to £14,887 GBP

Cheapest Retailer

£3,582 GBP

$4,799 USD

Retailer 2

£3,754 GBP

$5,030 USD

View

Retailer 3

£3,894 GBP

$5,218 USD

View

Retailer 4

£4,012 GBP

$5,375 USD

View

Final sale: no returns

Retailer 5

£4,155 GBP

$5,567 USD

View

Retailer 6

£4,155 GBP

$5,567 USD

View

Price last confirmed 14 days ago

Retailer 7

£4,176 GBP

$5,595 USD

View

Retailer 8

£4,751 GBP

$6,366 USD

View

Retailer 9

£4,948 GBP

HK$51,800 HKD

View

Retailer 10

£5,192 GBP

$6,957 USD

View

Retailer 11

£5,291 GBP

View

Retailer 12

£5,306 GBP

$7,110 USD

View

B+

Retailer 13

£5,869 GBP

View

B+

Retailer 14

£6,423 GBP

$8,606 USD

View

B+

Retailer 15

£6,797 GBP

€8,674 EUR

View

B+

Retailer 16

£8,649 GBP

View

B+

Retailer 17

£8,843 GBP

ZAR 191,415 ZAR

View

Retailer 18

£9,939 GBP

$13,317 USD

View

Retailer 19

£10,487 GBP

$14,052 USD

View

B+

Retailer 20

£10,687 GBP

$14,320 USD

View

Retailer 21

£11,550 GBP

$15,475 USD

View

Retailer 22

£14,329 GBP

SGD 25,945 SGD

View

Most Expensive

Taylor and Hart

T2HCUKQ · Oct 30

£14,887 GBP

$19,947 USD

View

22 more retailers have this diamond

Prices start from £3,582 GBPSave up to £11,306 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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