Radiant|Lab Grown|IGI

12.60ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG717520590

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

Certificate IGI LG717520590

Diamond specifications and retailer prices

From £2,794 GBP

$3,744 USD

As of October 29, 2026

Save £7,108 GBP (72%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £9,903 GBP at Taylor and Hart · As of October 27, 2026

View at Taylor and Hart

About this 12.6ct lab-grown radiant diamond

This 12.6ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717520590 or 717520590. Listed at 15 retailers as of October 27, 2026, with prices from £2,794 to £9,903, a £7,108 spread on the same certified stone. Taylor and Hart lists it at £9,903. 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

12.60

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.3°

Pavilion angle30.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG717520590

Dimensions17.13 × 11.55 × 7.25 mm

L/W Ratio1.48

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 LG717520590

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: £4,480 GBP|Low: £1,986 GBP|High: £9,903 GBP|Avg: £5,380 GBP|+4.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Taylor and Hart

October 29, 2026

Retailer 3£2,794 GBP

Retailer 4£2,857 GBP

Retailer 5£3,847 GBP

Retailer 9£3,992 GBP

Retailer 6£3,993 GBP

Retailer 12£4,311 GBP

Retailer 1£4,480 GBP

Retailer 2£4,492 GBP

Retailer 7£5,403 GBP

Retailer 10£7,220 GBP

Retailer 11£7,246 GBP

Retailer 8£8,326 GBP

Taylor and Hart£9,903 GBP

41 data points across 13 retailers

15 retailers£2,794 GBP to £9,903 GBP

Retailer 1

£2,364 GBP

$3,168 USD

Price last confirmed 26 days ago

Retailer 2

£2,794 GBP

$3,744 USD

View

Final sale: no returns

Retailer 3

£2,857 GBP

$3,828 USD

View

Price last confirmed 27 days ago

Retailer 4

£2,857 GBP

$3,828 USD

View

Price last confirmed 19 days ago

Retailer 5

£3,847 GBP

View

Retailer 6

£3,992 GBP

$5,349 USD

View

Retailer 7

£3,993 GBP

$5,350 USD

View

B+

Retailer 8

£4,311 GBP

View

B+

Retailer 9

£4,480 GBP

ZAR 96,972 ZAR

View

Retailer 10

£4,492 GBP

$6,019 USD

View

Retailer 11

£5,403 GBP

A$11,137 AUD

View

Price last confirmed 9 days ago

Retailer 12

£7,220 GBP

$9,674 USD

View

B+

Retailer 13

£7,246 GBP

$9,709 USD

View

Retailer 14

£8,326 GBP

$11,156 USD

View

Most Expensive

Taylor and Hart

W8G0RC3 · Oct 27

£9,903 GBP

$13,268 USD

View

14 more retailers have this diamond

Prices start from £2,794 GBPSave up to £7,108 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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