Marquise|Lab Grown|IGI

2.55ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG842659985

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842659985

Diamond specifications and retailer prices

From £367 GBP

$493 USD

As of November 2, 2026

Save £2,606 GBP (88%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £2,973 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842659985 or 842659985. Listed at 24 retailers as of November 2, 2026, with prices from £367 to £2,973, a £2,606 spread on the same certified stone. Brilliant Earth lists it at £2,973. 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

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG842659985

Dimensions13.88 × 7.02 × 4.56 mm

L/W Ratio1.98

Girdle conditionFaceted

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 LG842659985

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: £2,973 GBP|Low: £367 GBP|High: £3,950 GBP|Avg: £1,075 GBP|-24.7%

Brilliant Earth

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November 2, 2026

Retailer 5£367 GBP

Retailer 12£411 GBP

Retailer 16£411 GBP

Retailer 4£433 GBP

Retailer 8£455 GBP

Retailer 15£455 GBP

Retailer 11£559 GBP

Retailer 20£607 GBP

Retailer 25£660 GBP

Retailer 7£715 GBP

Retailer 13£757 GBP

Retailer 3£952 GBP

Retailer 22£991 GBP

Retailer 17£1,003 GBP

Retailer 23£1,010 GBP

Retailer 2£1,098 GBP

Retailer 6£1,198 GBP

Retailer 18£1,481 GBP

Retailer 14£1,483 GBP

Retailer 9£1,585 GBP

Retailer 21£1,673 GBP

Retailer 10£1,703 GBP

Retailer 19£1,900 GBP

Retailer 24£2,243 GBP

Brilliant Earth£2,973 GBP

21 data points across 25 retailers

24 retailers£367 GBP to £2,973 GBP

Cheapest Retailer

£367 GBP

$493 USD

Retailer 2

£411 GBP

$552 USD

View

Final sale: no returns

Retailer 3

£411 GBP

$552 USD

View

Retailer 4

£455 GBP

$611 USD

View

Price last confirmed 17 days ago

Retailer 5

£455 GBP

$611 USD

View

Retailer 6

£559 GBP

$750 USD

View

Retailer 7

£607 GBP

$815 USD

View

Retailer 8

£660 GBP

€843 EUR

View

Retailer 9

£715 GBP

$960 USD

View

Retailer 10

£757 GBP

View

Retailer 11

£952 GBP

$1,278 USD

View

Retailer 12

£991 GBP

$1,330 USD

View

Retailer 13

£1,003 GBP

$1,346 USD

View

Price last confirmed 9 days ago

B+

Retailer 14

£1,010 GBP

A$2,086 AUD

View

B+

Retailer 15

£1,098 GBP

ZAR 23,802 ZAR

View

B+

Retailer 16

£1,198 GBP

$1,607 USD

View

B+

Retailer 17

£1,481 GBP

$1,988 USD

View

B+

Retailer 18

£1,483 GBP

$1,991 USD

View

Retailer 19

£1,585 GBP

$2,127 USD

View

Retailer 20

£1,673 GBP

A$3,454 AUD

View

Retailer 21

£1,703 GBP

$2,285 USD

View

Retailer 22

£1,900 GBP

View

Retailer 23

£2,243 GBP

$3,010 USD

View

Most Expensive

Brilliant Earth

21739526A · Nov 2

£2,973 GBP

$3,990 USD

View

23 more retailers have this diamond

Prices start from £367 GBPSave up to £2,606 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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