Radiant|Lab Grown|IGI

15.22ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG720509099

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

Certificate IGI LG720509099

Diamond specifications and retailer prices

From £1,804 GBP

$2,417 USD

As of October 30, 2026

Save £8,051 GBP (82%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £9,855 GBP at Adiamor · As of October 31, 2026

View at Adiamor

About this 15.22ct lab-grown radiant diamond

This 15.22ct 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 LG720509099 or 720509099. Listed at 17 retailers as of October 30, 2026, with prices from £1,804 to £9,855, a £8,051 spread on the same certified stone. Adiamor lists it at £9,855. 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

15.22

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle48.6°

Pavilion angle30.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720509099

Dimensions17.47 × 12.42 × 7.77 mm

L/W Ratio1.41

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 LG720509099

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 30

Current: £9,855 GBP|Low: £1,731 GBP|High: £9,855 GBP|Avg: £3,996 GBP

Adiamor

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

November 1, 2026

Retailer 13£1,804 GBP

Retailer 6£2,020 GBP

Retailer 14£2,093 GBP

Retailer 9£2,213 GBP

Retailer 3£2,577 GBP

Retailer 7£2,858 GBP

Retailer 10£2,991 GBP

Retailer 12£3,137 GBP

Retailer 8£3,239 GBP

Retailer 2£3,877 GBP

Retailer 11£4,631 GBP

Retailer 4£5,884 GBP

Retailer 5£7,304 GBP

Adiamor£9,855 GBP

43 data points across 14 retailers

17 retailers£1,804 GBP to £9,855 GBP

Cheapest Retailer

£1,804 GBP

$2,417 USD

Retailer 2

£1,963 GBP

$2,630 USD

View

Retailer 3

£2,020 GBP

$2,706 USD

View

Final sale: no returns

Retailer 4

£2,093 GBP

$2,804 USD

View

Retailer 5

£2,093 GBP

$2,804 USD

View

Price last confirmed 20 days ago

Retailer 6

£2,213 GBP

$2,965 USD

View

Retailer 7

£2,577 GBP

$3,453 USD

View

Retailer 8

£2,858 GBP

View

Retailer 9

£2,876 GBP

$3,854 USD

View

B+

Retailer 10

£2,991 GBP

$4,008 USD

View

Retailer 11

£3,137 GBP

$4,203 USD

View

Retailer 12

£3,239 GBP

ZAR 70,120 ZAR

View

B+

Retailer 13

£3,877 GBP

A$7,992 AUD

View

Retailer 14

£4,631 GBP

$6,205 USD

View

Price last confirmed 11 days ago

B+

Retailer 15

£5,884 GBP

$7,884 USD

View

Retailer 16

£7,304 GBP

$9,787 USD

View

Most Expensive

Adiamor

D-70003992 · Oct 31

£9,855 GBP

$13,204 USD

View

16 more retailers have this diamond

Prices start from £1,804 GBPSave up to £8,051 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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15.22ct Radiant

£1,804 GBP