Marquise|Lab Grown|IGI

2.61ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG819625153

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819625153

Diamond specifications and retailer prices

From £1,444 GBP

$1,935 USD

As of November 1, 2026

Save £4,758 GBP (77%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £6,202 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 2.61ct lab-grown marquise diamond

This 2.61ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819625153 or 819625153. Listed at 15 retailers as of October 30, 2026, with prices from £1,444 to £6,202, a £4,758 spread on the same certified stone. Brilliant Earth lists it at £6,202. 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

2.61

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.3°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG819625153

Dimensions13.83 × 7.30 × 4.48 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG819625153

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £6,202 GBP|Low: £1,299 GBP|High: £6,202 GBP|Avg: £2,811 GBP

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 1, 2026

Retailer 11£1,299 GBP

Retailer 3£1,444 GBP

Retailer 5£1,697 GBP

Retailer 4£1,836 GBP

Retailer 8£1,840 GBP

Retailer 7£1,964 GBP

Retailer 6£3,353 GBP

Retailer 10£3,503 GBP

Retailer 2£3,712 GBP

Retailer 9£4,952 GBP

Brilliant Earth£6,202 GBP

44 data points across 11 retailers

15 retailers£1,444 GBP to £6,202 GBP

Retailer 1

£1,299 GBP

$1,741 USD

Price last confirmed 20 days ago

Retailer 2

£1,444 GBP

$1,935 USD

View

Retailer 3

£1,697 GBP

A$3,498 AUD

View

Retailer 4

£1,836 GBP

View

Retailer 5

£1,840 GBP

$2,465 USD

View

Retailer 6

£1,964 GBP

€2,506 EUR

View

Retailer 7

£2,002 GBP

$2,683 USD

View

Retailer 8

£2,209 GBP

$2,960 USD

View

B+

Retailer 9

£3,353 GBP

ZAR 72,587 ZAR

View

B+

Retailer 10

£3,503 GBP

$4,694 USD

View

B+

Retailer 11

£3,712 GBP

View

B+

Retailer 12

£4,571 GBP

$6,124 USD

View

B+

Retailer 13

£4,683 GBP

$6,275 USD

View

Retailer 14

£4,952 GBP

A$10,208 AUD

View

Price last confirmed 24 days ago

Most Expensive

Brilliant Earth

21102236A · Oct 30

£6,202 GBP

$8,310 USD

View

14 more retailers have this diamond

Prices start from £1,444 GBPSave up to £4,758 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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2.61ct Marquise

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