Round|Lab Grown|IGI

5.55ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG837621538

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837621538

Diamond specifications and retailer prices

From £2,695 GBP

As of October 30, 2026

Save £5,679 GBP (68%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £8,374 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.55ct lab-grown round diamond

This 5.55ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837621538 or 837621538. Listed at 14 retailers as of October 29, 2026, with prices from £2,695 to £8,374, a £5,679 spread on the same certified stone. Brilliant Earth lists it at £8,374. 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

5.55

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG837621538

Dimensions11.34 × 11.39 × 7.04 mm

L/W Ratio1.00

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG837621538

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: £8,374 GBP|Low: £2,687 GBP|High: £10,282 GBP|Avg: £5,821 GBP|-15.5%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 2£2,695 GBP

Retailer 7£2,995 GBP

Retailer 11£3,344 GBP

Retailer 6£4,086 GBP

Retailer 10£4,199 GBP

Retailer 3£4,444 GBP

Retailer 12£5,382 GBP

Retailer 4£5,840 GBP

Retailer 8£6,836 GBP

Retailer 9£7,163 GBP

Retailer 5£7,481 GBP

Brilliant Earth£8,374 GBP

39 data points across 12 retailers

14 retailers£2,695 GBP to £8,374 GBP

B+

Cheapest Retailer

£2,695 GBP

B+

Retailer 2

£2,995 GBP

$4,013 USD

View

B+

Retailer 3

£3,344 GBP

$4,481 USD

View

Retailer 4

£4,086 GBP

$5,475 USD

View

Retailer 5

£4,199 GBP

$5,626 USD

View

Retailer 6

£4,241 GBP

$5,682 USD

View

Price last confirmed 37 days ago

B+

Retailer 7

£4,342 GBP

$5,818 USD

View

Retailer 8

£4,444 GBP

$5,955 USD

View

Price last confirmed 37 days ago

Retailer 9

£5,382 GBP

$7,211 USD

View

Retailer 10

£5,840 GBP

$7,825 USD

View

Price last confirmed 33 days ago

Retailer 11

£6,836 GBP

€8,723 EUR

View

Retailer 12

£7,163 GBP

A$14,765 AUD

View

Price last confirmed 8 days ago

Retailer 13

£7,481 GBP

View

Most Expensive

Brilliant Earth

21633393A · Oct 29

£8,374 GBP

$11,220 USD

View

13 more retailers have this diamond

Prices start from £2,695 GBPSave up to £5,679 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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B+

5.55ct Round

£2,695 GBP