Cushion|Lab Grown|IGI

5.54ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803636839

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803636839

Diamond specifications and retailer prices

From £1,107 GBP

$1,483 USD

As of October 31, 2026

Save £2,920 GBP (73%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £4,026 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.54ct lab-grown cushion diamond

This 5.54ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803636839 or 803636839. Listed at 16 retailers as of October 31, 2026, with prices from £1,107 to £4,026, a £2,920 spread on the same certified stone. Taylor and Hart lists it at £4,026. 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

5.54

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.6°

Pavilion angle34.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG803636839

Dimensions12.75 × 8.55 × 5.65 mm

L/W Ratio1.49

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG803636839

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 31

Current: £2,323 GBP|Low: £1,107 GBP|High: £4,026 GBP|Avg: £2,367 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

Taylor and Hart

October 31, 2026

Retailer 2£1,107 GBP

Retailer 7£1,146 GBP

Retailer 9£1,245 GBP

Retailer 13£1,276 GBP

Retailer 4£1,446 GBP

Retailer 8£1,616 GBP

Retailer 12£1,640 GBP

Retailer 1£2,323 GBP

Retailer 10£2,329 GBP

Retailer 3£2,336 GBP

Retailer 6£2,764 GBP

Retailer 15£3,289 GBP

Retailer 14£3,402 GBP

Retailer 11£3,702 GBP

Retailer 5£3,837 GBP

Taylor and Hart£4,026 GBP

40 data points across 16 retailers

16 retailers£1,107 GBP to £4,026 GBP

Cheapest Retailer

£1,107 GBP

$1,483 USD

Final sale: no returns

Retailer 2

£1,146 GBP

$1,536 USD

View

Price last confirmed 19 days ago

Retailer 3

£1,245 GBP

View

Retailer 4

£1,276 GBP

$1,710 USD

View

Retailer 5

£1,446 GBP

$1,938 USD

View

Retailer 6

£1,616 GBP

View

Retailer 7

£1,640 GBP

$2,198 USD

View

B+

Retailer 8

£2,323 GBP

A$4,789 AUD

View

B+

Retailer 9

£2,329 GBP

ZAR 50,413 ZAR

View

B+

Retailer 10

£2,336 GBP

$3,130 USD

View

B+

Retailer 11

£2,764 GBP

View

B+

Retailer 12

£3,289 GBP

$4,407 USD

View

B+

Retailer 13

£3,402 GBP

$4,558 USD

View

Retailer 14

£3,702 GBP

View

Retailer 15

£3,837 GBP

SGD 6,948 SGD

View

Most Expensive

Taylor and Hart

ZX17KJ8 · Oct 31

£4,026 GBP

$5,395 USD

View

15 more retailers have this diamond

Prices start from £1,107 GBPSave up to £2,920 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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5.54ct Cushion

£1,107 GBP