Round|Lab Grown|IGI

6.55ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG670487495

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670487495

Diamond specifications and retailer prices

From £755 GBP

$1,012 USD

As of October 29, 2026

Save £2,603 GBP (78%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £3,358 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.55ct lab-grown round diamond

This 6.55ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG670487495 or 670487495. Listed at 18 retailers as of October 29, 2026, with prices from £755 to £3,358, a £2,603 spread on the same certified stone. Brilliant Earth lists it at £3,358. 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

6.55

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG670487495

Dimensions11.91 × 11.81 × 7.39 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

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 LG670487495

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: £3,358 GBP|Low: £755 GBP|High: £3,463 GBP|Avg: £1,811 GBP|-3.0%

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 31, 2026

Retailer 3£755 GBP

Retailer 6£822 GBP

Retailer 8£876 GBP

Retailer 9£919 GBP

Retailer 10£1,008 GBP

Retailer 13£1,234 GBP

Retailer 11£1,307 GBP

Retailer 2£1,376 GBP

Retailer 16£1,398 GBP

Retailer 14£1,642 GBP

Retailer 12£1,727 GBP

Retailer 4£1,822 GBP

Retailer 17£2,676 GBP

Retailer 7£2,951 GBP

Retailer 15£2,987 GBP

Retailer 5£3,054 GBP

Brilliant Earth£3,358 GBP

41 data points across 17 retailers

18 retailers£755 GBP to £3,358 GBP

Cheapest Retailer

£755 GBP

$1,012 USD

Retailer 2

£822 GBP

$1,101 USD

View

Retailer 3

£876 GBP

$1,174 USD

View

Retailer 4

£919 GBP

$1,231 USD

View

Price last confirmed 14 days ago

Retailer 5

£1,008 GBP

$1,350 USD

View

Retailer 6

£1,234 GBP

$1,653 USD

View

Retailer 7

£1,307 GBP

View

Retailer 8

£1,376 GBP

€1,756 EUR

View

B+

Retailer 9

£1,398 GBP

$1,873 USD

View

B+

Retailer 10

£1,642 GBP

$2,200 USD

View

B+

Retailer 11

£1,727 GBP

$2,314 USD

View

B+

Retailer 12

£1,822 GBP

$2,441 USD

View

Retailer 13

£2,676 GBP

$3,585 USD

View

Price last confirmed 10 days ago

Retailer 14

£2,892 GBP

$3,875 USD

View

Price last confirmed 65 days ago

Retailer 15

£2,951 GBP

SGD 5,344 SGD

View

Retailer 16

£2,987 GBP

View

Retailer 17

£3,054 GBP

$4,092 USD

View

Most Expensive

Brilliant Earth

18443868A · Oct 29

£3,358 GBP

$4,500 USD

View

17 more retailers have this diamond

Prices start from £755 GBPSave up to £2,603 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

6.55ct Round

£755 GBP