Marquise|Lab Grown|IGI

5.03ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG687526456

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG687526456

Diamond specifications and retailer prices

From £1,379 GBP

$1,850 USD

As of November 2, 2026

Save £4,224 GBP (75%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £5,603 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687526456 or 687526456. Listed at 21 retailers as of October 31, 2026, with prices from £1,379 to £5,603, a £4,224 spread on the same certified stone. Taylor and Hart lists it at £5,603. 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

5.03

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle39.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG687526456

Dimensions18.56 × 8.78 × 5.27 mm

L/W Ratio2.11

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 LG687526456

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: £1,674 GBP|Low: £1,323 GBP|High: £4,628 GBP|Avg: £2,792 GBP|-0.9%

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

November 2, 2026

Retailer 2£1,379 GBP

Retailer 3£1,599 GBP

Retailer 1£1,674 GBP

Retailer 10£1,725 GBP

Retailer 6£2,199 GBP

Retailer 11£2,286 GBP

Retailer 13£2,690 GBP

Retailer 12£2,793 GBP

Retailer 8£3,241 GBP

Retailer 9£3,249 GBP

Retailer 5£4,309 GBP

Retailer 7£4,567 GBP

Retailer 4£4,589 GBP

33 data points across 13 retailers

21 retailers£1,379 GBP to £5,603 GBP

Cheapest Retailer

£1,379 GBP

$1,850 USD

Retailer 2

£1,500 GBP

$2,013 USD

View

B+

Retailer 3

£1,543 GBP

$2,071 USD

View

Final sale: no returns

Retailer 4

£1,599 GBP

$2,146 USD

View

Price last confirmed 21 days ago

B+

Retailer 5

£1,599 GBP

$2,146 USD

View

B+

Retailer 6

£1,674 GBP

View

B+

Retailer 7

£1,725 GBP

$2,315 USD

View

B+

Retailer 8

£1,848 GBP

$2,480 USD

View

B+

Retailer 9

£2,199 GBP

View

B+

Retailer 10

£2,286 GBP

$3,068 USD

View

B+

Retailer 11

£2,690 GBP

$3,610 USD

View

Retailer 12

£2,779 GBP

$3,729 USD

View

Retailer 13

£2,793 GBP

€3,570 EUR

View

Price last confirmed 8 days ago

Retailer 14

£3,241 GBP

A$6,691 AUD

View

Retailer 15

£3,249 GBP

ZAR 70,441 ZAR

View

Retailer 16

£3,305 GBP

View

Retailer 17

£4,309 GBP

$5,783 USD

View

Retailer 18

£4,567 GBP

View

Retailer 19

£4,589 GBP

$6,158 USD

View

Retailer 20

£5,340 GBP

SGD 9,683 SGD

View

Most Expensive

Taylor and Hart

9XH4SB4 · Oct 31

£5,603 GBP

$7,519 USD

View

20 more retailers have this diamond

Prices start from £1,379 GBPSave up to £4,224 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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