Cushion|Lab Grown|IGI

5.78ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG847680364

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG847680364

Diamond specifications and retailer prices

From £1,380 GBP

$1,838 USD

As of October 28, 2026

Save £8,682 GBP (86%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £10,062 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.78ct lab-grown cushion diamond

This 5.78ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847680364 or 847680364. Listed at 17 retailers as of October 28, 2026, with prices from £1,380 to £10,062, a £8,682 spread on the same certified stone. Brilliant Earth lists it at £10,062. 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

5.78

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle34.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG847680364

Dimensions13.17 × 9.36 × 6.11 mm

L/W Ratio1.41

Girdle conditionFaceted

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 LG847680364

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 28

Current: £10,062 GBP|Low: £1,380 GBP|High: £10,062 GBP|Avg: £3,467 GBP

Brilliant Earth

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

Retailer 17

October 29, 2026

Retailer 6£1,380 GBP

Retailer 12£1,532 GBP

Retailer 14£1,558 GBP

Retailer 5£1,717 GBP

Retailer 2£2,027 GBP

Retailer 13£2,044 GBP

Retailer 10£2,268 GBP

Retailer 16£2,337 GBP

Retailer 15£2,895 GBP

Retailer 4£2,964 GBP

Retailer 17£3,533 GBP

Retailer 7£3,679 GBP

Retailer 11£4,107 GBP

Retailer 8£4,149 GBP

Retailer 9£5,021 GBP

Retailer 3£7,239 GBP

Brilliant Earth£10,062 GBP

8 data points across 17 retailers

17 retailers£1,380 GBP to £10,062 GBP

Cheapest Retailer

£1,380 GBP

$1,838 USD

Final sale: no returns

Retailer 2

£1,532 GBP

View

Retailer 3

£1,558 GBP

$2,075 USD

View

Retailer 4

£1,717 GBP

$2,287 USD

View

Retailer 5

£2,027 GBP

View

Retailer 6

£2,044 GBP

$2,722 USD

View

Retailer 7

£2,268 GBP

€2,877 EUR

View

Retailer 8

£2,337 GBP

$3,112 USD

View

B+

Retailer 9

£2,895 GBP

ZAR 62,271 ZAR

View

B+

Retailer 10

£2,964 GBP

View

B+

Retailer 11

£3,533 GBP

$4,705 USD

View

B+

Retailer 12

£3,679 GBP

$4,899 USD

View

Retailer 13

£4,107 GBP

View

B+

Retailer 14

£4,149 GBP

$5,525 USD

View

Retailer 15

£5,021 GBP

$6,686 USD

View

Retailer 16

£7,239 GBP

$9,640 USD

View

Most Expensive

Brilliant Earth

22239772A · Oct 29

£10,062 GBP

$13,400 USD

View

16 more retailers have this diamond

Prices start from £1,380 GBPSave up to £8,682 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

5.78ct Cushion

£1,380 GBP