Cushion|Lab Grown|IGI

15.04ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG728503811

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728503811

Diamond specifications and retailer prices

From £2,137 GBP

As of October 27, 2026

Save £10,778 GBP (83%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £12,915 GBP at With Clarity · As of November 2, 2026

View at With Clarity

About this 15.04ct lab-grown cushion diamond

This 15.04ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG728503811 or 728503811. Listed at 17 retailers as of October 27, 2026, with prices from £2,137 to £12,915, a £10,778 spread on the same certified stone. With Clarity lists it at £12,915. 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

15.04

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle31.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728503811

Dimensions16.04 × 12.57 × 8.18 mm

L/W Ratio1.28

Girdle conditionFaceted

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 LG728503811

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: £10,770 GBP|Low: £2,129 GBP|High: £13,012 GBP|Avg: £5,177 GBP|+0.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

With Clarity

November 2, 2026

Retailer 14£2,137 GBP

Retailer 6£2,560 GBP

Retailer 2£2,985 GBP

Retailer 9£2,986 GBP

Retailer 12£3,362 GBP

Retailer 13£3,413 GBP

Retailer 15£3,495 GBP

Retailer 11£3,989 GBP

Retailer 16£4,089 GBP

Retailer 3£4,122 GBP

Retailer 5£4,925 GBP

Retailer 8£4,967 GBP

Retailer 4£7,355 GBP

Retailer 10£8,541 GBP

Retailer 7£9,242 GBP

Retailer 1£10,770 GBP

With Clarity£12,915 GBP

29 data points across 17 retailers

17 retailers£2,137 GBP to £12,915 GBP

Cheapest Retailer

£2,137 GBP

Retailer 2

£2,985 GBP

$4,006 USD

View

Retailer 3

£2,986 GBP

HK$31,300 HKD

View

Retailer 4

£3,362 GBP

$4,512 USD

View

Retailer 5

£3,413 GBP

$4,580 USD

View

Price last confirmed 5 days ago

Retailer 6

£3,495 GBP

View

Retailer 7

£3,989 GBP

€5,098 EUR

View

Retailer 8

£4,089 GBP

ZAR 88,640 ZAR

View

Price last confirmed 8 days ago

Retailer 9

£4,122 GBP

$5,531 USD

View

Retailer 10

£4,925 GBP

A$10,167 AUD

View

Price last confirmed 11 days ago

Retailer 11

£4,967 GBP

$6,665 USD

View

Price last confirmed 12 days ago

Retailer 12

£7,355 GBP

$9,870 USD

View

Price last confirmed 8 days ago

Retailer 13

£8,541 GBP

A$17,633 AUD

View

Retailer 14

£9,242 GBP

$12,402 USD

View

Price last confirmed 7 days ago

Retailer 15

£10,770 GBP

$14,453 USD

View

Retailer 16

£11,260 GBP

$15,110 USD

View

Most Expensive

With Clarity

728503811 · Nov 2

£12,915 GBP

$17,331 USD

View

16 more retailers have this diamond

Prices start from £2,137 GBPSave up to £10,778 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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