Radiant|Lab Grown|IGI

3.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG835640010

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

Certificate IGI LG835640010

Diamond specifications and retailer prices

From £568 GBP

$762 USD

As of November 1, 2026

Save £4,276 GBP (88%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £4,844 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 3.55ct lab-grown radiant diamond

This 3.55ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835640010 or 835640010. Listed at 22 retailers as of November 1, 2026, with prices from £568 to £4,844, a £4,276 spread on the same certified stone. Brilliant Earth lists it at £4,844. 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

3.55

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle50.5°

Pavilion angle32.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG835640010

Dimensions10.94 × 7.44 × 4.75 mm

L/W Ratio1.47

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 LG835640010

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: Nov 1

Current: £4,844 GBP|Low: £682 GBP|High: £4,844 GBP|Avg: £1,759 GBP|+1.1%

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

November 2, 2026

Retailer 12£719 GBP

Retailer 2£792 GBP

Retailer 5£845 GBP

Retailer 6£1,043 GBP

Retailer 8£1,467 GBP

Retailer 3£1,503 GBP

Retailer 11£1,508 GBP

Retailer 7£1,854 GBP

Retailer 4£2,006 GBP

Retailer 9£2,021 GBP

Retailer 13£2,135 GBP

Retailer 10£2,564 GBP

Brilliant Earth£4,844 GBP

36 data points across 13 retailers

22 retailers£568 GBP to £4,844 GBP

Retailer 1

£487 GBP

$653 USD

Price last confirmed 31 days ago

Retailer 2

£552 GBP

$741 USD

View

Price last confirmed 36 days ago

Retailer 3

£568 GBP

$762 USD

View

Final sale: no returns

Retailer 4

£589 GBP

$790 USD

View

Price last confirmed 30 days ago

Retailer 5

£719 GBP

$965 USD

View

Retailer 6

£792 GBP

View

Retailer 7

£830 GBP

$1,114 USD

View

Retailer 8

£845 GBP

$1,134 USD

View

Retailer 9

£1,043 GBP

View

B+

Retailer 10

£1,467 GBP

A$3,028 AUD

View

B+

Retailer 11

£1,503 GBP

$2,017 USD

View

B+

Retailer 12

£1,508 GBP

ZAR 32,693 ZAR

View

Retailer 13

£1,826 GBP

$2,451 USD

View

Price last confirmed 32 days ago

B+

Retailer 14

£1,854 GBP

A$3,828 AUD

View

Retailer 15

£2,006 GBP

$2,692 USD

View

Retailer 16

£2,016 GBP

$2,706 USD

View

Retailer 17

£2,021 GBP

View

Retailer 18

£2,135 GBP

$2,865 USD

View

Retailer 19

£2,323 GBP

$3,118 USD

View

Retailer 20

£2,564 GBP

View

Retailer 21

£4,501 GBP

$6,040 USD

View

Most Expensive

Brilliant Earth

21655863A · Nov 2

£4,844 GBP

$6,500 USD

View

21 more retailers have this diamond

Prices start from £568 GBPSave up to £4,276 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

3.55ct Radiant

£568 GBP