Radiant|Lab Grown|IGI

3.21ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG761510442

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

Certificate IGI LG761510442

Diamond specifications and retailer prices

From £2,839 GBP

$3,780 USD

As of October 27, 2026

Save £8,920 GBP (76%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £11,759 GBP at Taylor and Hart · As of October 27, 2026

View at Taylor and Hart

About this 3.21ct lab-grown radiant diamond

This 3.21ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761510442 or 761510442. Listed at 19 retailers as of October 27, 2026, with prices from £2,839 to £11,759, a £8,920 spread on the same certified stone. Taylor and Hart lists it at £11,759. 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

3.21

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44°

Pavilion angle31.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG761510442

Dimensions9.96 × 7.16 × 4.81 mm

L/W Ratio1.39

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 LG761510442

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 27

Current: £4,353 GBP|Low: £2,725 GBP|High: £11,759 GBP|Avg: £5,853 GBP|-1.9%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Taylor and Hart

October 29, 2026

Retailer 16£2,839 GBP

Retailer 13£2,974 GBP

Retailer 5£3,161 GBP

Retailer 7£3,178 GBP

Retailer 10£3,293 GBP

Retailer 2£4,064 GBP

Retailer 12£4,114 GBP

Retailer 1£4,353 GBP

Retailer 14£4,810 GBP

Retailer 8£5,093 GBP

Retailer 15£5,160 GBP

Retailer 17£5,771 GBP

Retailer 11£7,090 GBP

Retailer 4£8,380 GBP

Retailer 6£8,400 GBP

Retailer 3£8,748 GBP

Retailer 9£11,325 GBP

Taylor and Hart£11,759 GBP

40 data points across 18 retailers

19 retailers£2,839 GBP to £11,759 GBP

Cheapest Retailer

£2,839 GBP

$3,780 USD

Retailer 2

£2,974 GBP

$3,961 USD

View

B+

Retailer 3

£3,161 GBP

$4,210 USD

View

Retailer 4

£3,178 GBP

$4,232 USD

View

Final sale: no returns

B+

Retailer 5

£3,293 GBP

$4,385 USD

View

B+

Retailer 6

£4,064 GBP

$5,412 USD

View

B+

Retailer 7

£4,114 GBP

$5,479 USD

View

B+

Retailer 8

£4,353 GBP

View

B+

Retailer 9

£4,810 GBP

$6,405 USD

View

B+

Retailer 10

£5,093 GBP

View

B+

Retailer 11

£5,160 GBP

€6,544 EUR

View

B+

Retailer 12

£5,771 GBP

$7,685 USD

View

Retailer 13

£7,090 GBP

View

Retailer 14

£8,004 GBP

$10,659 USD

View

Retailer 15

£8,380 GBP

$11,160 USD

View

Retailer 16

£8,400 GBP

$11,186 USD

View

Retailer 17

£8,748 GBP

$11,650 USD

View

Retailer 18

£11,325 GBP

SGD 20,380 SGD

View

Most Expensive

Taylor and Hart

WXSO6VW · Oct 27

£11,759 GBP

$15,659 USD

View

18 more retailers have this diamond

Prices start from £2,839 GBPSave up to £8,920 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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