Radiant|Lab Grown|IGI

11.51ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG707521431

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

Certificate IGI LG707521431

Diamond specifications and retailer prices

From £1,810 GBP

$2,429 USD

As of November 2, 2026

Save £11,477 GBP (86%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £13,287 GBP at Do Amore Diamonds · As of November 1, 2026

View at Do Amore Diamonds

About this 11.51ct lab-grown radiant diamond

This 11.51ct 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 LG707521431 or 707521431. Listed at 25 retailers as of November 1, 2026, with prices from £1,810 to £13,287, a £11,477 spread on the same certified stone. Do Amore Diamonds lists it at £13,287. 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

11.51

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle46.1°

Pavilion angle30.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG707521431

Dimensions16.44 × 10.77 × 6.99 mm

L/W Ratio1.53

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 LG707521431

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 2

Current: £3,131 GBP|Low: £1,738 GBP|High: £5,607 GBP|Avg: £3,132 GBP|-0.3%

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

November 3, 2026

Retailer 2£1,738 GBP

Retailer 8£1,862 GBP

Retailer 6£2,027 GBP

Retailer 14£2,100 GBP

Retailer 15£2,100 GBP

Retailer 13£2,221 GBP

Retailer 5£2,473 GBP

Retailer 3£2,949 GBP

Retailer 1£3,131 GBP

Retailer 12£3,148 GBP

Retailer 10£3,588 GBP

Retailer 7£3,998 GBP

Retailer 11£4,281 GBP

Retailer 9£4,294 GBP

Retailer 4£5,607 GBP

43 data points across 15 retailers

25 retailers£1,810 GBP to £13,287 GBP

Retailer 1

£1,738 GBP

$2,332 USD

Price last confirmed 31 days ago

Retailer 2

£1,810 GBP

$2,429 USD

View

Retailer 3

£1,862 GBP

View

Retailer 4

£1,970 GBP

$2,643 USD

View

Price last confirmed 36 days ago

Retailer 5

£2,027 GBP

$2,720 USD

View

Final sale: no returns

Retailer 6

£2,100 GBP

$2,818 USD

View

Retailer 7

£2,100 GBP

$2,818 USD

View

Price last confirmed 30 days ago

Retailer 8

£2,100 GBP

$2,818 USD

View

Price last confirmed 21 days ago

Retailer 9

£2,221 GBP

$2,980 USD

View

Retailer 10

£2,473 GBP

$3,318 USD

View

B+

Retailer 11

£2,949 GBP

$3,957 USD

View

B+

Retailer 12

£3,131 GBP

View

B+

Retailer 13

£3,148 GBP

$4,225 USD

View

Retailer 14

£3,186 GBP

$4,276 USD

View

Price last confirmed 33 days ago

B+

Retailer 15

£3,186 GBP

$4,276 USD

View

B+

Retailer 16

£3,588 GBP

ZAR 77,794 ZAR

View

B+

Retailer 17

£3,998 GBP

View

Retailer 18

£4,281 GBP

$5,745 USD

View

Price last confirmed 12 days ago

B+

Retailer 19

£4,294 GBP

A$8,866 AUD

View

B+

Retailer 20

£4,593 GBP

$6,164 USD

View

Retailer 21

£5,607 GBP

$7,524 USD

View

Retailer 22

£5,830 GBP

$7,823 USD

View

Retailer 23

£8,082 GBP

$10,845 USD

View

Retailer 24

£12,452 GBP

$16,710 USD

View

Most Expensive

Do Amore Diamonds

23-707521431 · Nov 1

£13,287 GBP

$17,830 USD

View

24 more retailers have this diamond

Prices start from £1,810 GBPSave up to £11,477 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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