Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG677523726

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677523726

Diamond specifications and retailer prices

From £1,469 GBP

A$3,028 AUD

As of October 31, 2026

11 retailers carry this diamond

Most expensive: £3,127 GBP at Rare Carat · As of October 14, 2026

View at Rare Carat

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677523726 or 677523726. Listed at 11 retailers as of October 31, 2026. 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 angle35.8°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG677523726

Dimensions11.26 × 11.20 × 6.99 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 LG677523726

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 31

Current: £3,127 GBP|Low: £638 GBP|High: £5,060 GBP|Avg: £1,951 GBP|-6.4%

Rare Carat

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

October 26, 2026

Retailer 7£638 GBP

Retailer 4£821 GBP

Retailer 5£921 GBP

Retailer 12£923 GBP

Retailer 9£944 GBP

Retailer 10£1,096 GBP

Retailer 3£1,279 GBP

Retailer 2£1,469 GBP

Retailer 8£1,557 GBP

Retailer 15£1,755 GBP

Retailer 11£2,741 GBP

Retailer 14£2,839 GBP

Rare Carat£3,127 GBP

Retailer 6£4,062 GBP

Retailer 13£5,008 GBP

23 data points across 15 retailers

11 retailers

Retailer 1

£564 GBP

$756 USD

Price last confirmed 21 days ago

Retailer 2

£614 GBP

$823 USD

View

Price last confirmed 18 days ago

Retailer 3

£921 GBP

$1,234 USD

View

Price last confirmed 19 days ago

Retailer 4

£923 GBP

$1,237 USD

View

Price last confirmed 17 days ago

B+

Retailer 5

£1,469 GBP

A$3,028 AUD

View

Retailer 6

£1,557 GBP

$2,086 USD

View

Price last confirmed 16 days ago

Retailer 7

£1,755 GBP

$2,352 USD

View

Price last confirmed 19 days ago

Retailer 8

£2,032 GBP

$2,722 USD

View

Price last confirmed 25 days ago

Retailer 9

£2,741 GBP

View

Price last confirmed 20 days ago

Retailer 10

£2,839 GBP

A$5,852 AUD

View

Price last confirmed 24 days ago

Most Expensive

Rare Carat

797817 · Oct 14

£3,127 GBP

$4,190 USD

View

Price last confirmed 17 days ago

10 more retailers have this diamond

Prices start from £1,469 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+

5.51ct Round

£1,469 GBP