Emerald|Lab Grown|IGI

3.12ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG592344378

Shape and cutting style on the report: Emerald cut

Certificate IGI LG592344378

Diamond specifications and retailer prices

From £432 GBP

$579 USD

As of October 30, 2026

Save £2,658 GBP (86%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £3,090 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.12ct lab-grown emerald diamond

This 3.12ct 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 LG592344378 or 592344378. Listed at 20 retailers as of October 30, 2026, with prices from £432 to £3,090, a £2,658 spread on the same certified stone. Brilliant Earth lists it at £3,090. 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

3.12

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG592344378

Dimensions10.04 × 7.00 × 4.65 mm

L/W Ratio1.43

Culet sizeLong

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 LG592344378

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: £3,090 GBP|Low: £408 GBP|High: £3,090 GBP|Avg: £1,119 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 17£432 GBP

Retailer 5£484 GBP

Retailer 9£484 GBP

Retailer 4£536 GBP

Retailer 18£536 GBP

Retailer 15£634 GBP

Retailer 8£743 GBP

Retailer 19£824 GBP

Retailer 12£837 GBP

Retailer 6£857 GBP

Retailer 2£1,132 GBP

Retailer 14£1,164 GBP

Retailer 16£1,330 GBP

Retailer 3£1,409 GBP

Retailer 7£1,558 GBP

Retailer 11£1,735 GBP

Retailer 10£1,793 GBP

Retailer 13£2,338 GBP

Brilliant Earth£3,090 GBP

41 data points across 19 retailers

20 retailers£432 GBP to £3,090 GBP

Cheapest Retailer

£432 GBP

$579 USD

Retailer 2

£484 GBP

$648 USD

View

Final sale: no returns

Retailer 3

£484 GBP

$648 USD

View

Retailer 4

£536 GBP

$718 USD

View

Retailer 5

£536 GBP

$718 USD

View

Price last confirmed 15 days ago

Retailer 6

£634 GBP

$850 USD

View

Retailer 7

£743 GBP

$995 USD

View

Retailer 8

£824 GBP

$1,104 USD

View

Retailer 9

£837 GBP

View

Retailer 10

£857 GBP

$1,148 USD

View

B+

Retailer 11

£1,132 GBP

A$2,333 AUD

View

B+

Retailer 12

£1,164 GBP

ZAR 25,192 ZAR

View

Retailer 13

£1,330 GBP

$1,782 USD

View

B+

Retailer 14

£1,409 GBP

$1,888 USD

View

Retailer 15

£1,558 GBP

View

Retailer 16

£1,735 GBP

$2,325 USD

View

Retailer 17

£1,793 GBP

$2,403 USD

View

Retailer 18

£1,844 GBP

HK$19,300 HKD

View

Retailer 19

£2,338 GBP

View

Most Expensive

Brilliant Earth

17980515A · Oct 31

£3,090 GBP

$4,140 USD

View

19 more retailers have this diamond

Prices start from £432 GBPSave up to £2,658 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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