Marquise|Lab Grown|IGI

5.03ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG844678892

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844678892

Diamond specifications and retailer prices

From £1,047 GBP

$1,403 USD

As of October 29, 2026

Save £3,923 GBP (79%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £4,971 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844678892 or 844678892. Listed at 17 retailers as of October 29, 2026, with prices from £1,047 to £4,971, a £3,923 spread on the same certified stone. Brilliant Earth lists it at £4,971. 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

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG844678892

Dimensions17.25 × 9.15 × 5.57 mm

L/W Ratio1.89

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 LG844678892

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: Oct 29

Current: £4,971 GBP|Low: £1,047 GBP|High: £8,874 GBP|Avg: £2,666 GBP|-44.0%

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

Retailer 16

October 31, 2026

Retailer 9£1,047 GBP

Retailer 11£1,060 GBP

Retailer 13£1,094 GBP

Retailer 3£1,437 GBP

Retailer 10£1,452 GBP

Retailer 7£1,717 GBP

Retailer 16£1,932 GBP

Retailer 8£2,024 GBP

Retailer 12£2,040 GBP

Retailer 2£2,775 GBP

Retailer 14£2,778 GBP

Retailer 4£3,029 GBP

Retailer 6£3,399 GBP

Retailer 5£3,516 GBP

Retailer 15£3,638 GBP

Brilliant Earth£4,971 GBP

10 data points across 16 retailers

17 retailers£1,047 GBP to £4,971 GBP

Cheapest Retailer

£1,047 GBP

$1,403 USD

Final sale: no returns

Retailer 2

£1,060 GBP

$1,420 USD

View

Retailer 3

£1,094 GBP

View

Retailer 4

£1,437 GBP

$1,925 USD

View

Retailer 5

£1,452 GBP

View

B+

Retailer 6

£1,717 GBP

€2,191 EUR

View

Price last confirmed 7 days ago

B+

Retailer 7

£1,932 GBP

$2,588 USD

View

B+

Retailer 8

£2,024 GBP

$2,712 USD

View

B+

Retailer 9

£2,040 GBP

ZAR 44,166 ZAR

View

Retailer 10

£2,775 GBP

View

B+

Retailer 11

£2,778 GBP

$3,722 USD

View

Retailer 12

£3,029 GBP

$4,059 USD

View

Retailer 13

£3,399 GBP

View

Price last confirmed 7 days ago

Retailer 14

£3,516 GBP

$4,711 USD

View

Retailer 15

£3,638 GBP

$4,874 USD

View

Retailer 16

£4,213 GBP

$5,645 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

22282264A · Oct 31

£4,971 GBP

$6,660 USD

View

16 more retailers have this diamond

Prices start from £1,047 GBPSave up to £3,923 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

5.03ct Marquise

£1,047 GBP