Radiant|Lab Grown|IGI

15.03ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG687589683

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

Certificate IGI LG687589683

Diamond specifications and retailer prices

From £7,301 GBP

$9,783 USD

As of October 31, 2026

Save £11,554 GBP (61%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £18,855 GBP at Reve Diamonds · As of November 1, 2026

View at Reve Diamonds

About this 15.03ct lab-grown radiant diamond

This 15.03ct 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 LG687589683 or 687589683. Listed at 14 retailers as of October 31, 2026, with prices from £7,301 to £18,855, a £11,554 spread on the same certified stone. Reve Diamonds lists it at £18,855. 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

15.03

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.7°

Pavilion angle30.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG687589683

Dimensions11.96 × 11.96 × 7.37 mm

L/W Ratio1.00

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 LG687589683

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: £14,349 GBP|Low: £7,301 GBP|High: £18,855 GBP|Avg: £11,120 GBP|-0.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Reve Diamonds

November 1, 2026

Retailer 6£7,301 GBP

Retailer 10£7,563 GBP

Retailer 8£8,412 GBP

Retailer 7£8,415 GBP

Retailer 9£8,748 GBP

Retailer 4£9,056 GBP

Retailer 5£11,707 GBP

Retailer 3£12,049 GBP

Retailer 2£12,898 GBP

Retailer 1£14,349 GBP

Reve Diamonds£18,855 GBP

35 data points across 11 retailers

14 retailers£7,301 GBP to £18,855 GBP

Retailer 1

£6,519 GBP

$8,735 USD

Price last confirmed 24 days ago

Retailer 2

£6,780 GBP

$9,085 USD

View

Price last confirmed 35 days ago

B+

Retailer 3

£7,301 GBP

$9,783 USD

View

Final sale: no returns

Retailer 4

£7,563 GBP

$10,133 USD

View

Price last confirmed 29 days ago

Retailer 5

£8,412 GBP

$11,271 USD

View

Retailer 6

£8,415 GBP

$11,275 USD

View

Retailer 7

£8,505 GBP

$11,396 USD

View

Price last confirmed 31 days ago

Retailer 8

£8,748 GBP

$11,722 USD

View

B+

Retailer 9

£9,056 GBP

View

Retailer 10

£11,707 GBP

ZAR 253,406 ZAR

View

Retailer 11

£12,049 GBP

A$24,838 AUD

View

Retailer 12

£12,898 GBP

$17,282 USD

View

Retailer 13

£14,349 GBP

A$29,578 AUD

View

Most Expensive

Reve Diamonds

C8F36DD38 · Nov 1

£18,855 GBP

$25,264 USD

View

13 more retailers have this diamond

Prices start from £7,301 GBPSave up to £11,554 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

B+

15.03ct Radiant

£7,301 GBP