Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG585398133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG585398133

Diamond specifications and retailer prices

From £1,049 GBP

$1,405 USD

As of October 29, 2026

Save £3,877 GBP (79%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £4,926 GBP at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG585398133 or 585398133. Listed at 16 retailers as of October 26, 2026, with prices from £1,049 to £4,926, a £3,877 spread on the same certified stone. Brilliant Earth lists it at £4,926. 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

5.51

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG585398133

Dimensions11.29 × 11.25 × 7.03 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG585398133

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 29

Current: £4,926 GBP|Low: £429 GBP|High: £5,157 GBP|Avg: £1,810 GBP|-4.5%

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

October 30, 2026

Retailer 5£600 GBP

Retailer 8£1,049 GBP

Retailer 7£1,067 GBP

Retailer 12£1,092 GBP

Retailer 2£1,141 GBP

Retailer 4£1,197 GBP

Retailer 11£1,502 GBP

Retailer 9£1,711 GBP

Retailer 13£2,329 GBP

Retailer 3£2,583 GBP

Retailer 10£2,728 GBP

Retailer 6£2,806 GBP

Brilliant Earth£4,926 GBP

38 data points across 13 retailers

16 retailers£1,049 GBP to £4,926 GBP

Retailer 1

£536 GBP

$718 USD

Price last confirmed 37 days ago

Retailer 2

£583 GBP

$781 USD

View

Price last confirmed 37 days ago

Retailer 3

£613 GBP

$822 USD

View

Price last confirmed 33 days ago

Retailer 4

£1,049 GBP

$1,405 USD

View

Retailer 5

£1,067 GBP

€1,361 EUR

View

B+

Retailer 6

£1,092 GBP

$1,463 USD

View

B+

Retailer 7

£1,141 GBP

View

B+

Retailer 8

£1,197 GBP

$1,604 USD

View

B+

Retailer 9

£1,502 GBP

$2,013 USD

View

B+

Retailer 10

£1,711 GBP

$2,293 USD

View

Retailer 11

£1,749 GBP

$2,343 USD

View

Price last confirmed 34 days ago

Retailer 12

£2,329 GBP

$3,121 USD

View

Retailer 13

£2,583 GBP

$3,460 USD

View

Price last confirmed 12 days ago

Retailer 14

£2,728 GBP

$3,655 USD

View

Price last confirmed 9 days ago

Retailer 15

£2,806 GBP

View

Most Expensive

Brilliant Earth

7627984A · Oct 26

£4,926 GBP

$6,600 USD

View

15 more retailers have this diamond

Prices start from £1,049 GBPSave up to £3,877 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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5.51ct Round

£1,049 GBP