Asscher|Lab Grown|IGI

3.12ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG654487790

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG654487790

Diamond specifications and retailer prices

From £434 GBP

$582 USD

As of October 31, 2026

Save £3,014 GBP (87%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,448 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.12ct lab-grown asscher diamond

This 3.12ct lab-grown asscher 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 LG654487790 or 654487790. Listed at 17 retailers as of October 31, 2026, with prices from £434 to £3,448, a £3,014 spread on the same certified stone. Do Amore Diamonds lists it at £3,448. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle36.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG654487790

Dimensions7.75 × 7.74 × 5.14 mm

L/W Ratio1.00

Culet sizePointed

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 LG654487790

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: £3,448 GBP|Low: £434 GBP|High: £3,918 GBP|Avg: £1,514 GBP|-12.0%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

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Retailer 7

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Retailer 10

Retailer 11

Retailer 12

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Retailer 14

October 31, 2026

Retailer 13£434 GBP

Retailer 12£582 GBP

Retailer 6£637 GBP

Retailer 4£750 GBP

Retailer 7£824 GBP

Retailer 8£1,124 GBP

Retailer 9£1,155 GBP

Retailer 5£1,547 GBP

Retailer 11£1,590 GBP

Retailer 14£1,644 GBP

Retailer 3£1,787 GBP

Retailer 2£2,269 GBP

Retailer 10£2,313 GBP

Do Amore Diamonds£3,448 GBP

41 data points across 14 retailers

17 retailers£434 GBP to £3,448 GBP

Cheapest Retailer

£434 GBP

$582 USD

Final sale: no returns

Retailer 2

£582 GBP

$780 USD

View

B+

Retailer 3

£637 GBP

$854 USD

View

Retailer 4

£649 GBP

$870 USD

View

Retailer 5

£750 GBP

$1,005 USD

View

Retailer 6

£824 GBP

View

B+

Retailer 7

£1,124 GBP

A$2,316 AUD

View

B+

Retailer 8

£1,155 GBP

ZAR 25,007 ZAR

View

B+

Retailer 9

£1,290 GBP

View

B+

Retailer 10

£1,547 GBP

View

Retailer 11

£1,590 GBP

$2,130 USD

View

Price last confirmed 10 days ago

B+

Retailer 12

£1,644 GBP

$2,203 USD

View

Retailer 13

£1,787 GBP

$2,394 USD

View

Retailer 14

£1,810 GBP

$2,425 USD

View

Retailer 15

£2,269 GBP

$3,040 USD

View

Retailer 16

£2,313 GBP

View

Most Expensive

Do Amore Diamonds

27-40C1D18AD · Oct 31

£3,448 GBP

$4,620 USD

View

16 more retailers have this diamond

Prices start from £434 GBPSave up to £3,014 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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3.12ct Asscher

£434 GBP