Radiant|Lab Grown|IGI

5.50ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG842629909

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

Certificate IGI LG842629909

Diamond specifications and retailer prices

From £865 GBP

$1,159 USD

As of October 24, 2026

Save £4,270 GBP (83%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £5,135 GBP at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 5.5ct lab-grown radiant diamond

This 5.5ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG842629909 or 842629909. Listed at 24 retailers as of October 24, 2026, with prices from £865 to £5,135, a £4,270 spread on the same certified stone. Brilliant Earth lists it at £5,135. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.50

Carat

Colour

VS1

Clarity

Good

Cut

Specifications

CutGood

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle45.5°

Pavilion angle31.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG842629909

Dimensions12.75 × 8.52 × 5.58 mm

L/W Ratio1.50

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

CutGood

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG842629909

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 24

Current: £5,135 GBP|Low: £764 GBP|High: £5,135 GBP|Avg: £2,137 GBP

Brilliant Earth

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October 31, 2026

Retailer 11£796 GBP

Retailer 5£865 GBP

Retailer 14£890 GBP

Retailer 20£922 GBP

Retailer 13£1,000 GBP

Retailer 21£1,052 GBP

Retailer 6£1,070 GBP

Retailer 25£1,190 GBP

Retailer 19£1,368 GBP

Retailer 12£1,399 GBP

Retailer 15£1,471 GBP

Retailer 22£1,729 GBP

Retailer 2£1,761 GBP

Retailer 16£1,795 GBP

Retailer 4£1,857 GBP

Retailer 3£2,243 GBP

Retailer 18£2,445 GBP

Retailer 8£2,672 GBP

Retailer 24£2,815 GBP

Retailer 9£3,095 GBP

Retailer 23£3,133 GBP

Retailer 7£3,222 GBP

Retailer 17£4,109 GBP

Retailer 10£4,445 GBP

Brilliant Earth£5,135 GBP

14 data points across 25 retailers

24 retailers£865 GBP to £5,135 GBP

Retailer 1

£796 GBP

$1,066 USD

Price last confirmed 7 days ago

Retailer 2

£865 GBP

$1,159 USD

View

Retailer 3

£922 GBP

$1,236 USD

View

Retailer 4

£1,000 GBP

View

B+

Retailer 5

£1,052 GBP

$1,410 USD

View

B+

Retailer 6

£1,070 GBP

HK$11,200 HKD

View

B+

Retailer 7

£1,190 GBP

$1,594 USD

View

B+

Retailer 8

£1,368 GBP

View

Retailer 9

£1,399 GBP

€1,785 EUR

View

Price last confirmed 7 days ago

B+

Retailer 10

£1,471 GBP

$1,971 USD

View

B+

Retailer 11

£1,729 GBP

$2,317 USD

View

B+

Retailer 12

£1,761 GBP

$2,360 USD

View

Retailer 13

£1,795 GBP

A$3,701 AUD

View

Price last confirmed 9 days ago

B+

Retailer 14

£1,857 GBP

ZAR 40,197 ZAR

View

B+

Retailer 15

£2,243 GBP

$3,006 USD

View

Retailer 16

£2,445 GBP

View

Price last confirmed 9 days ago

Retailer 17

£2,672 GBP

$3,580 USD

View

Retailer 18

£2,815 GBP

$3,772 USD

View

Retailer 19

£3,095 GBP

SGD 5,604 SGD

View

Retailer 20

£3,133 GBP

View

Retailer 21

£3,222 GBP

$4,318 USD

View

Retailer 22

£4,109 GBP

$5,505 USD

View

Price last confirmed 12 days ago

Retailer 23

£4,445 GBP

$5,956 USD

View

Most Expensive

Brilliant Earth

21831486A · Oct 26

£5,135 GBP

$6,880 USD

View

23 more retailers have this diamond

Prices start from £865 GBPSave up to £4,270 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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