Marquise|Lab Grown|IGI

1.91ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG809615929

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809615929

Diamond specifications and retailer prices

From £235 GBP

$316 USD

As of November 2, 2026

Save £1,590 GBP (87%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £1,826 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG809615929 or 809615929. Listed at 16 retailers as of November 2, 2026, with prices from £235 to £1,826, a £1,590 spread on the same certified stone. Brilliant Earth lists it at £1,826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG809615929

Dimensions13.33 × 6.62 × 3.97 mm

L/W Ratio2.01

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 LG809615929

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: £1,826 GBP|Low: £235 GBP|High: £1,982 GBP|Avg: £757 GBP|-7.9%

Brilliant Earth

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November 2, 2026

Retailer 15£235 GBP

Retailer 4£273 GBP

Retailer 13£324 GBP

Retailer 2£333 GBP

Retailer 12£380 GBP

Retailer 3£475 GBP

Retailer 16£496 GBP

Retailer 8£601 GBP

Retailer 11£682 GBP

Retailer 14£857 GBP

Retailer 6£936 GBP

Retailer 7£940 GBP

Retailer 17£1,043 GBP

Retailer 9£1,057 GBP

Retailer 5£1,126 GBP

Retailer 10£1,172 GBP

Brilliant Earth£1,826 GBP

14 data points across 17 retailers

16 retailers£235 GBP to £1,826 GBP

Cheapest Retailer

£235 GBP

$316 USD

Retailer 2

£273 GBP

$367 USD

View

Retailer 3

£324 GBP

HK$3,400 HKD

View

Retailer 4

£333 GBP

View

Retailer 5

£380 GBP

$510 USD

View

Retailer 6

£475 GBP

$637 USD

View

Retailer 7

£496 GBP

$666 USD

View

Retailer 8

£601 GBP

$806 USD

View

Retailer 9

£682 GBP

A$1,407 AUD

View

B+

Retailer 10

£857 GBP

$1,150 USD

View

B+

Retailer 11

£936 GBP

SGD 1,697 SGD

View

B+

Retailer 12

£940 GBP

$1,261 USD

View

B+

Retailer 13

£1,043 GBP

$1,400 USD

View

Retailer 14

£1,126 GBP

$1,511 USD

View

Retailer 15

£1,172 GBP

View

Most Expensive

Brilliant Earth

20165271A · Nov 2

£1,826 GBP

$2,450 USD

View

15 more retailers have this diamond

Prices start from £235 GBPSave up to £1,590 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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1.91ct Marquise

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