Cushion|Lab Grown|IGI

15.09ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG797691342

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797691342

Diamond specifications and retailer prices

From £3,178 GBP

CA$5,915 CAD

As of October 30, 2026

Save £17,316 GBP (84%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £20,494 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 15.09ct lab-grown cushion diamond

This 15.09ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797691342 or 797691342. Listed at 14 retailers as of October 29, 2026, with prices from £3,178 to £20,494, a £17,316 spread on the same certified stone. Brilliant Earth lists it at £20,494. 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

15.09

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle32.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG797691342

Dimensions18.29 × 12.61 × 7.91 mm

L/W Ratio1.45

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 LG797691342

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: £20,494 GBP|Low: £2,928 GBP|High: £21,129 GBP|Avg: £8,173 GBP|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 10£3,524 GBP

Retailer 6£3,526 GBP

Retailer 12£3,728 GBP

Retailer 4£5,043 GBP

Retailer 2£5,049 GBP

Retailer 8£5,138 GBP

Retailer 5£6,021 GBP

Retailer 7£7,369 GBP

Retailer 3£9,911 GBP

Retailer 11£11,209 GBP

Retailer 9£18,019 GBP

Brilliant Earth£20,494 GBP

40 data points across 12 retailers

14 retailers£3,178 GBP to £20,494 GBP

Cheapest Retailer

£3,178 GBP

CA$5,915 CAD

Retailer 2

£3,524 GBP

$4,722 USD

View

Price last confirmed 18 days ago

Retailer 3

£3,526 GBP

$4,725 USD

View

Retailer 4

£3,728 GBP

$4,995 USD

View

B+

Retailer 5

£5,043 GBP

$6,757 USD

View

Retailer 6

£5,049 GBP

View

Retailer 7

£5,138 GBP

$6,885 USD

View

Price last confirmed 10 days ago

B+

Retailer 8

£6,021 GBP

ZAR 130,337 ZAR

View

Retailer 9

£7,369 GBP

A$15,190 AUD

View

Price last confirmed 9 days ago

Retailer 10

£9,911 GBP

$13,279 USD

View

Retailer 11

£13,892 GBP

$18,614 USD

View

Retailer 12

£18,019 GBP

$24,144 USD

View

Retailer 13

£19,367 GBP

$25,950 USD

View

Most Expensive

Brilliant Earth

19910626Y · Oct 29

£20,494 GBP

$27,460 USD

View

13 more retailers have this diamond

Prices start from £3,178 GBPSave up to £17,316 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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