Radiant|Lab Grown|IGI

3.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG774649334

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

Certificate IGI LG774649334

Diamond specifications and retailer prices

From £741 GBP

As of November 2, 2026

Save £1,710 GBP (70%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £2,452 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

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 LG774649334 or 774649334. Listed at 17 retailers as of October 31, 2026, with prices from £741 to £2,452, a £1,710 spread on the same certified stone. Taylor and Hart lists it at £2,452. 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 angle38.3°

Pavilion angle35.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG774649334

Dimensions10.88 × 7.58 × 5.12 mm

L/W Ratio1.44

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 LG774649334

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 2

Current: £741 GBP|Low: £741 GBP|High: £2,452 GBP|Avg: £1,553 GBP|-1.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

November 2, 2026

Retailer 1£741 GBP

Retailer 6£974 GBP

Retailer 2£987 GBP

Retailer 9£987 GBP

Retailer 8£1,063 GBP

Retailer 5£1,101 GBP

Retailer 10£1,373 GBP

Retailer 11£1,398 GBP

Retailer 12£1,497 GBP

Retailer 4£1,885 GBP

Retailer 3£2,050 GBP

Retailer 13£2,073 GBP

Retailer 7£2,387 GBP

Taylor and Hart£2,452 GBP

43 data points across 14 retailers

17 retailers£741 GBP to £2,452 GBP

Retailer 1

£524 GBP

$703 USD

Price last confirmed 25 days ago

Retailer 2

£599 GBP

$804 USD

View

Price last confirmed 38 days ago

Retailer 3

£608 GBP

$816 USD

View

Price last confirmed 25 days ago

Retailer 4

£741 GBP

View

Retailer 5

£974 GBP

View

Retailer 6

£987 GBP

$1,324 USD

View

B+

Retailer 7

£987 GBP

$1,325 USD

View

Retailer 8

£1,063 GBP

€1,359 EUR

View

Retailer 9

£1,101 GBP

$1,478 USD

View

B+

Retailer 10

£1,373 GBP

A$2,834 AUD

View

Retailer 11

£1,398 GBP

ZAR 30,310 ZAR

View

Price last confirmed 9 days ago

B+

Retailer 12

£1,497 GBP

$2,009 USD

View

Retailer 13

£1,885 GBP

View

Retailer 14

£2,050 GBP

SGD 3,717 SGD

View

Retailer 15

£2,073 GBP

$2,782 USD

View

Retailer 16

£2,387 GBP

View

Most Expensive

Taylor and Hart

2AI05KU · Oct 31

£2,452 GBP

$3,290 USD

View

16 more retailers have this diamond

Prices start from £741 GBPSave up to £1,710 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

£741 GBP