Marquise|Lab Grown|IGI

2.65ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG813672283

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813672283

Diamond specifications and retailer prices

From £853 GBP

$1,145 USD

As of October 30, 2026

Save £3,335 GBP (80%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £5,514 GBP at Brilliant Earth · As of October 16, 2026

View at Brilliant Earth

About this 2.65ct lab-grown marquise diamond

This 2.65ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813672283 or 813672283. Listed at 26 retailers as of October 30, 2026, with a 391% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.65

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle40°

OriginLab Grown

Grading LabIGI

CertificateIGI LG813672283

Dimensions14.02 × 7.44 × 4.54 mm

L/W Ratio1.88

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 LG813672283

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 30

Current: £4,188 GBP|Low: £853 GBP|High: £8,810 GBP|Avg: £2,732 GBP|-24.1%

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 9£853 GBP

Retailer 4£929 GBP

Retailer 13£955 GBP

Retailer 7£990 GBP

Retailer 5£1,118 GBP

Retailer 18£1,122 GBP

Retailer 6£1,145 GBP

Retailer 11£1,416 GBP

Retailer 19£1,436 GBP

Retailer 21£1,582 GBP

Retailer 8£1,752 GBP

Retailer 17£1,780 GBP

Retailer 10£1,856 GBP

Retailer 3£2,348 GBP

Retailer 20£2,554 GBP

Retailer 16£2,737 GBP

Retailer 23£2,738 GBP

Retailer 12£3,137 GBP

Retailer 22£3,198 GBP

Retailer 14£3,315 GBP

Retailer 2£3,346 GBP

Retailer 15£3,465 GBP

Brilliant Earth£4,188 GBP

24 data points across 23 retailers

26 retailers£853 GBP to £4,188 GBP

Cheapest Retailer

£853 GBP

$1,145 USD

Retailer 2

£929 GBP

$1,246 USD

View

Retailer 3

£955 GBP

$1,282 USD

View

Final sale: no returns

Retailer 4

£990 GBP

$1,329 USD

View

Price last confirmed 16 days ago

Retailer 5

£990 GBP

$1,329 USD

View

Retailer 6

£1,118 GBP

$1,500 USD

View

Retailer 7

£1,122 GBP

View

Retailer 8

£1,145 GBP

HK$12,000 HKD

View

Retailer 9

£1,416 GBP

$1,900 USD

View

Retailer 10

£1,436 GBP

View

Retailer 11

£1,582 GBP

€2,022 EUR

View

Retailer 12

£1,752 GBP

$2,351 USD

View

Retailer 13

£1,780 GBP

$2,388 USD

View

Retailer 14

£1,856 GBP

$2,490 USD

View

Retailer 15

£2,348 GBP

A$4,848 AUD

View

Price last confirmed 11 days ago

B+

Retailer 16

£2,554 GBP

ZAR 55,375 ZAR

View

B+

Retailer 17

£2,737 GBP

View

B+

Retailer 18

£2,738 GBP

$3,674 USD

View

B+

Retailer 19

£3,137 GBP

$4,210 USD

View

B+

Retailer 20

£3,180 GBP

View

B+

Retailer 21

£3,198 GBP

View

B+

Retailer 22

£3,315 GBP

SGD 6,012 SGD

View

B+

Retailer 23

£3,346 GBP

A$6,908 AUD

View

B+

Retailer 24

£3,465 GBP

$4,650 USD

View

Retailer 25

£4,188 GBP

$5,620 USD

View

Most Expensive

Brilliant Earth

20835789A · Oct 16

£5,514 GBP

$7,400 USD

View

Price last confirmed 17 days ago

25 more retailers have this diamond

Prices start from £853 GBPSave up to £3,335 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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