Marquise|Lab Grown|IGI

5.07ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG843618855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843618855

Diamond specifications and retailer prices

From £443 GBP

$594 USD

As of November 2, 2026

Save £2,176 GBP (83%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,620 GBP at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 5.07ct lab-grown marquise diamond

This 5.07ct lab-grown marquise sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843618855 or 843618855. Listed at 19 retailers as of October 28, 2026, with prices from £443 to £2,620, a £2,176 spread on the same certified stone. Rare Carat lists it at £2,620. 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

5.07

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843618855

Dimensions17.68 × 9.04 × 5.55 mm

L/W Ratio1.96

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 LG843618855

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: £2,620 GBP|Low: £443 GBP|High: £2,620 GBP|Avg: £1,167 GBP|+0.9%

Rare Carat

Retailer 2

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November 2, 2026

Retailer 19£443 GBP

Retailer 12£497 GBP

Retailer 11£548 GBP

Retailer 7£550 GBP

Retailer 2£575 GBP

Retailer 3£611 GBP

Retailer 8£646 GBP

Retailer 18£737 GBP

Retailer 17£813 GBP

Retailer 10£845 GBP

Retailer 9£1,086 GBP

Retailer 15£1,167 GBP

Retailer 16£1,290 GBP

Retailer 14£1,446 GBP

Retailer 6£1,604 GBP

Retailer 4£1,771 GBP

Retailer 5£1,779 GBP

Retailer 13£2,388 GBP

Rare Carat£2,620 GBP

19 data points across 19 retailers

19 retailers£443 GBP to £2,620 GBP

Cheapest Retailer

£443 GBP

$594 USD

Retailer 2

£497 GBP

$666 USD

View

Retailer 3

£548 GBP

$734 USD

View

Price last confirmed 16 days ago

Retailer 4

£550 GBP

$737 USD

View

Retailer 5

£575 GBP

View

Retailer 6

£611 GBP

HK$6,400 HKD

View

Retailer 7

£646 GBP

$865 USD

View

B+

Retailer 8

£737 GBP

$988 USD

View

Retailer 9

£813 GBP

$1,090 USD

View

Retailer 10

£845 GBP

€1,078 EUR

View

Retailer 11

£1,086 GBP

ZAR 23,499 ZAR

View

Retailer 12

£1,167 GBP

$1,563 USD

View

Retailer 13

£1,290 GBP

$1,729 USD

View

B+

Retailer 14

£1,446 GBP

$1,938 USD

View

B+

Retailer 15

£1,604 GBP

View

B+

Retailer 16

£1,771 GBP

SGD 3,206 SGD

View

B+

Retailer 17

£1,779 GBP

$2,384 USD

View

Retailer 18

£2,388 GBP

View

Most Expensive

Rare Carat

AJ-00067300 · Oct 28

£2,620 GBP

$3,510 USD

View

18 more retailers have this diamond

Prices start from £443 GBPSave up to £2,176 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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