Radiant|Lab Grown|IGI

15.06ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG786691221

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

Certificate IGI LG786691221

Diamond specifications and retailer prices

From £1,748 GBP

As of October 27, 2026

Save £8,672 GBP (83%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £10,420 GBP at With Clarity · As of November 1, 2026

View at With Clarity

About this 15.06ct lab-grown radiant diamond

This 15.06ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786691221 or 786691221. Listed at 13 retailers as of October 27, 2026, with prices from £1,748 to £10,420, a £8,672 spread on the same certified stone. With Clarity lists it at £10,420. 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

15.06

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.2°

Pavilion angle35.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG786691221

Dimensions18.38 × 12.09 × 7.70 mm

L/W Ratio1.52

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 LG786691221

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: £2,465 GBP|Low: £1,742 GBP|High: £11,452 GBP|Avg: £5,125 GBP|-10.7%

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

With Clarity

November 1, 2026

Retailer 9£1,748 GBP

Retailer 5£2,094 GBP

Retailer 12£2,291 GBP

Retailer 1£2,465 GBP

Retailer 2£2,963 GBP

Retailer 10£3,345 GBP

Retailer 14£3,379 GBP

Retailer 6£3,543 GBP

Retailer 11£4,025 GBP

Retailer 13£4,556 GBP

Retailer 3£6,085 GBP

Retailer 4£7,569 GBP

Retailer 7£7,897 GBP

Retailer 8£8,150 GBP

With Clarity£10,420 GBP

31 data points across 15 retailers

13 retailers£1,748 GBP to £10,420 GBP

Cheapest Retailer

£1,748 GBP

Retailer 2

£2,291 GBP

$3,070 USD

View

Retailer 3

£2,465 GBP

HK$25,800 HKD

View

B+

Retailer 4

£2,963 GBP

$3,970 USD

View

Retailer 5

£3,345 GBP

ZAR 72,403 ZAR

View

Price last confirmed 7 days ago

B+

Retailer 6

£3,379 GBP

$4,528 USD

View

Retailer 7

£4,025 GBP

A$8,298 AUD

View

Price last confirmed 10 days ago

B+

Retailer 8

£4,556 GBP

$6,105 USD

View

Retailer 9

£6,085 GBP

$8,153 USD

View

Price last confirmed 7 days ago

Retailer 10

£7,569 GBP

$10,141 USD

View

Retailer 11

£7,897 GBP

$10,581 USD

View

Retailer 12

£8,150 GBP

$10,920 USD

View

Most Expensive

With Clarity

786691221 · Nov 1

£10,420 GBP

$13,961 USD

View

12 more retailers have this diamond

Prices start from £1,748 GBPSave up to £8,672 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.

Similar diamonds

15.06ct Radiant

£1,748 GBP