Radiant|Lab Grown|IGI

2.55ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG780680173

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

Certificate IGI LG780680173

Diamond specifications and retailer prices

From £307 GBP

$412 USD

As of November 2, 2026

Save £3,126 GBP (91%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £3,433 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 2.55ct lab-grown radiant diamond

This 2.55ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780680173 or 780680173. Listed at 14 retailers as of October 31, 2026, with prices from £307 to £3,433, a £3,126 spread on the same certified stone. Brilliant Earth lists it at £3,433. 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

2.55

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.3°

Pavilion angle35.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780680173

Dimensions9.75 × 6.77 × 4.59 mm

L/W Ratio1.44

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG780680173

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: £3,433 GBP|Low: £295 GBP|High: £3,732 GBP|Avg: £1,288 GBP|-8.0%

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

November 1, 2026

Retailer 13£307 GBP

Retailer 4£344 GBP

Retailer 12£571 GBP

Retailer 3£602 GBP

Retailer 5£629 GBP

Retailer 8£777 GBP

Retailer 9£933 GBP

Retailer 11£1,068 GBP

Retailer 14£1,323 GBP

Retailer 15£1,352 GBP

Retailer 7£1,462 GBP

Retailer 2£1,544 GBP

Retailer 10£1,661 GBP

Retailer 6£2,724 GBP

Brilliant Earth£3,433 GBP

24 data points across 15 retailers

14 retailers£307 GBP to £3,433 GBP

Cheapest Retailer

£307 GBP

$412 USD

Retailer 2

£344 GBP

$461 USD

View

Retailer 3

£571 GBP

$765 USD

View

Retailer 4

£602 GBP

$806 USD

View

Retailer 5

£629 GBP

$843 USD

View

Retailer 6

£777 GBP

€992 EUR

View

B+

Retailer 7

£933 GBP

A$1,924 AUD

View

B+

Retailer 8

£1,068 GBP

$1,431 USD

View

Retailer 9

£1,323 GBP

A$2,728 AUD

View

Price last confirmed 25 days ago

B+

Retailer 10

£1,352 GBP

$1,811 USD

View

Retailer 11

£1,544 GBP

View

Retailer 12

£1,661 GBP

$2,225 USD

View

Price last confirmed 12 days ago

Retailer 13

£2,724 GBP

$3,650 USD

View

Most Expensive

Brilliant Earth

20082879Y · Oct 31

£3,433 GBP

$4,600 USD

View

13 more retailers have this diamond

Prices start from £307 GBPSave up to £3,126 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

2.55ct Radiant

£307 GBP