Radiant|Lab Grown|IGI

5.12ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG773639235

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

Certificate IGI LG773639235

Diamond specifications and retailer prices

From £6,634 GBP

$8,889 USD

As of October 31, 2026

Save £26,988 GBP (80%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £33,622 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 5.12ct lab-grown radiant diamond

This 5.12ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG773639235 or 773639235. Listed at 23 retailers as of October 29, 2026, with prices from £6,634 to £33,622, a £26,988 spread on the same certified stone. Do Amore Diamonds lists it at £33,622. 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

5.12

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.6°

Pavilion angle36.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG773639235

Dimensions12.42 × 8.57 × 5.74 mm

L/W Ratio1.45

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG773639235

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: £33,622 GBP|Low: £6,634 GBP|High: £67,943 GBP|Avg: £19,275 GBP|-17.5%

Do Amore Diamonds

Retailer 2

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October 30, 2026

Retailer 4£6,634 GBP

Retailer 17£7,806 GBP

Retailer 9£8,406 GBP

Retailer 20£8,601 GBP

Retailer 5£8,706 GBP

Retailer 19£8,850 GBP

Retailer 12£9,007 GBP

Retailer 18£9,382 GBP

Retailer 3£9,437 GBP

Retailer 2£11,447 GBP

Retailer 11£13,774 GBP

Retailer 14£14,831 GBP

Retailer 16£15,290 GBP

Retailer 13£19,526 GBP

Retailer 15£21,099 GBP

Retailer 6£23,959 GBP

Retailer 8£28,600 GBP

Retailer 7£30,929 GBP

Do Amore Diamonds£33,622 GBP

Retailer 10£55,878 GBP

41 data points across 20 retailers

23 retailers£6,634 GBP to £33,622 GBP

Cheapest Retailer

£6,634 GBP

$8,889 USD

Retailer 2

£7,505 GBP

$10,056 USD

View

Retailer 3

£7,806 GBP

$10,459 USD

View

Retailer 4

£8,406 GBP

$11,263 USD

View

Final sale: no returns

Retailer 5

£8,601 GBP

$11,525 USD

View

Retailer 6

£8,706 GBP

$11,665 USD

View

Retailer 7

£8,707 GBP

$11,666 USD

View

Price last confirmed 14 days ago

Retailer 8

£8,850 GBP

$11,858 USD

View

Retailer 9

£9,007 GBP

$12,068 USD

View

Retailer 10

£9,382 GBP

$12,571 USD

View

Retailer 11

£9,437 GBP

$12,645 USD

View

Retailer 12

£11,447 GBP

View

Retailer 13

£13,774 GBP

View

B+

Retailer 14

£14,831 GBP

View

Retailer 15

£15,290 GBP

€19,511 EUR

View

Price last confirmed 7 days ago

B+

Retailer 16

£19,526 GBP

ZAR 422,660 ZAR

View

B+

Retailer 17

£21,099 GBP

$28,270 USD

View

B+

Retailer 18

£23,959 GBP

$32,103 USD

View

B+

Retailer 19

£26,698 GBP

$35,773 USD

View

Retailer 20

£28,600 GBP

$38,321 USD

View

Retailer 21

£30,929 GBP

$41,441 USD

View

Most Expensive

Do Amore Diamonds

27-86864EE0D · Oct 29

£33,622 GBP

$45,050 USD

View

21 more retailers have this diamond

Prices start from £6,634 GBPSave up to £26,988 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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