Emerald|Lab Grown|IGI

3.18ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG604303319

Shape and cutting style on the report: Emerald cut

Certificate IGI LG604303319

Diamond specifications and retailer prices

From £493 GBP

$660 USD

As of October 31, 2026

Save £3,232 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £3,724 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.18ct lab-grown emerald diamond

This 3.18ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604303319 or 604303319. Listed at 18 retailers as of October 29, 2026, with prices from £493 to £3,724, a £3,232 spread on the same certified stone. Brilliant Earth lists it at £3,724. 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

3.18

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.4°

Pavilion angle38.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG604303319

Dimensions9.87 × 6.92 × 4.50 mm

L/W Ratio1.43

Culet sizeLarge

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG604303319

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: £3,724 GBP|Low: £352 GBP|High: £3,941 GBP|Avg: £1,471 GBP|-5.5%

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

October 31, 2026

Retailer 3£493 GBP

Retailer 14£839 GBP

Retailer 11£840 GBP

Retailer 2£846 GBP

Retailer 5£886 GBP

Retailer 8£915 GBP

Retailer 7£1,152 GBP

Retailer 10£1,185 GBP

Retailer 12£1,354 GBP

Retailer 4£1,592 GBP

Retailer 13£1,741 GBP

Retailer 6£2,115 GBP

Retailer 9£2,382 GBP

Brilliant Earth£3,724 GBP

43 data points across 14 retailers

18 retailers£493 GBP to £3,724 GBP

Retailer 1

£422 GBP

$566 USD

Price last confirmed 23 days ago

Retailer 2

£493 GBP

$660 USD

View

Price last confirmed 21 days ago

Retailer 3

£493 GBP

$660 USD

View

Final sale: no returns

Retailer 4

£546 GBP

$731 USD

View

Price last confirmed 21 days ago

Retailer 5

£839 GBP

$1,124 USD

View

Retailer 6

£840 GBP

$1,125 USD

View

Retailer 7

£846 GBP

View

Retailer 8

£886 GBP

$1,187 USD

View

Retailer 9

£915 GBP

€1,167 EUR

View

B+

Retailer 10

£1,152 GBP

A$2,375 AUD

View

B+

Retailer 11

£1,185 GBP

ZAR 25,653 ZAR

View

B+

Retailer 12

£1,354 GBP

$1,814 USD

View

Retailer 13

£1,435 GBP

$1,923 USD

View

Price last confirmed 21 days ago

Retailer 14

£1,592 GBP

View

Retailer 15

£1,741 GBP

$2,333 USD

View

Retailer 16

£2,115 GBP

$2,833 USD

View

Retailer 17

£2,382 GBP

View

Most Expensive

Brilliant Earth

15178151A · Oct 29

£3,724 GBP

$4,990 USD

View

17 more retailers have this diamond

Prices start from £493 GBPSave up to £3,232 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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3.18ct Emerald

£493 GBP