Radiant|Lab Grown|IGI

6.12ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG776670578

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG776670578

Diamond specifications and retailer prices

From £644 GBP

$864 USD

As of November 1, 2026

Save £4,118 GBP (86%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £4,762 GBP at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 6.12ct lab-grown radiant diamond

This 6.12ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776670578 or 776670578. Listed at 17 retailers as of November 1, 2026, with prices from £644 to £4,762, a £4,118 spread on the same certified stone. Do Amore Diamonds lists it at £4,762. 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

6.12

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle47.9°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG776670578

Dimensions13.06 × 8.89 × 5.97 mm

L/W Ratio1.47

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG776670578

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: Nov 1

Current: £4,762 GBP|Low: £543 GBP|High: £5,425 GBP|Avg: £2,125 GBP|-12.2%

Do Amore Diamonds

Retailer 2

Retailer 3

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Retailer 12

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Retailer 19

November 2, 2026

Retailer 3£644 GBP

Retailer 13£894 GBP

Retailer 19£899 GBP

Retailer 15£905 GBP

Retailer 17£948 GBP

Retailer 14£1,066 GBP

Retailer 16£1,273 GBP

Retailer 7£1,475 GBP

Retailer 2£1,503 GBP

Retailer 11£1,806 GBP

Retailer 4£1,863 GBP

Retailer 9£1,982 GBP

Retailer 18£2,258 GBP

Retailer 12£2,575 GBP

Retailer 8£2,646 GBP

Retailer 5£2,992 GBP

Retailer 10£3,407 GBP

Retailer 6£4,151 GBP

Do Amore Diamonds£4,762 GBP

24 data points across 19 retailers

17 retailers£644 GBP to £4,762 GBP

Retailer 1

£587 GBP

$788 USD

Price last confirmed 31 days ago

Retailer 2

£644 GBP

$864 USD

View

Final sale: no returns

Retailer 3

£665 GBP

$893 USD

View

Price last confirmed 36 days ago

Retailer 4

£894 GBP

$1,200 USD

View

B+

Retailer 5

£899 GBP

$1,206 USD

View

Retailer 6

£905 GBP

$1,215 USD

View

Retailer 7

£948 GBP

$1,272 USD

View

Retailer 8

£1,066 GBP

€1,363 EUR

View

Retailer 9

£1,273 GBP

A$2,628 AUD

View

Retailer 10

£1,503 GBP

$2,017 USD

View

B+

Retailer 11

£1,863 GBP

$2,500 USD

View

Retailer 12

£2,201 GBP

$2,953 USD

View

Price last confirmed 33 days ago

B+

Retailer 13

£2,258 GBP

$3,030 USD

View

B+

Retailer 14

£2,575 GBP

View

Retailer 15

£2,992 GBP

$4,015 USD

View

Retailer 16

£4,151 GBP

$5,570 USD

View

Most Expensive

Do Amore Diamonds

27-4D45F6F2D · Nov 2

£4,762 GBP

$6,390 USD

View

16 more retailers have this diamond

Prices start from £644 GBPSave up to £4,118 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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6.12ct Radiant

£644 GBP