Cushion|Lab Grown|IGI

6.12ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG671472725

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG671472725

Diamond specifications and retailer prices

From £1,033 GBP

$1,376 USD

As of October 29, 2026

Save £3,885 GBP (79%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £4,919 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.12ct lab-grown cushion diamond

This 6.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG671472725 or 671472725. Listed at 19 retailers as of October 29, 2026, with prices from £1,033 to £4,919, a £3,885 spread on the same certified stone. Brilliant Earth lists it at £4,919. 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

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle34.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG671472725

Dimensions11.28 × 9.99 × 6.38 mm

L/W Ratio1.13

Girdle conditionFaceted

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 LG671472725

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 29

Current: £4,919 GBP|Low: £1,033 GBP|High: £4,919 GBP|Avg: £2,399 GBP

Brilliant Earth

Retailer 2

Retailer 3

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Retailer 5

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Retailer 7

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Retailer 11

Retailer 12

Retailer 13

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Retailer 16

October 30, 2026

Retailer 3£1,033 GBP

Retailer 16£1,070 GBP

Retailer 2£1,150 GBP

Retailer 14£1,194 GBP

Retailer 7£1,348 GBP

Retailer 12£1,532 GBP

Retailer 9£1,554 GBP

Retailer 10£1,718 GBP

Retailer 5£1,922 GBP

Retailer 8£2,586 GBP

Retailer 4£3,071 GBP

Retailer 15£3,205 GBP

Retailer 11£3,457 GBP

Retailer 6£3,586 GBP

Retailer 13£4,494 GBP

Brilliant Earth£4,919 GBP

40 data points across 16 retailers

19 retailers£1,033 GBP to £4,919 GBP

Cheapest Retailer

£1,033 GBP

$1,376 USD

Final sale: no returns

Retailer 2

£1,070 GBP

$1,425 USD

View

Price last confirmed 17 days ago

Retailer 3

£1,150 GBP

View

Retailer 4

£1,194 GBP

$1,590 USD

View

Retailer 5

£1,240 GBP

HK$12,900 HKD

View

Retailer 6

£1,348 GBP

$1,795 USD

View

Retailer 7

£1,532 GBP

$2,040 USD

View

Retailer 8

£1,554 GBP

View

Retailer 9

£1,718 GBP

€2,179 EUR

View

Retailer 10

£1,922 GBP

$2,559 USD

View

B+

Retailer 11

£2,395 GBP

$3,190 USD

View

B+

Retailer 12

£2,586 GBP

View

B+

Retailer 13

£3,071 GBP

$4,090 USD

View

B+

Retailer 14

£3,205 GBP

$4,268 USD

View

B+

Retailer 15

£3,457 GBP

View

B+

Retailer 16

£3,586 GBP

SGD 6,453 SGD

View

Retailer 17

£3,753 GBP

$4,998 USD

View

Retailer 18

£4,494 GBP

$5,985 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

14677609A · Oct 29

£4,919 GBP

$6,550 USD

View

18 more retailers have this diamond

Prices start from £1,033 GBPSave up to £3,885 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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