Marquise|Lab Grown|IGI

2.53ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843654839

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654839

Diamond specifications and retailer prices

From £2,397 GBP

$3,212 USD

As of November 1, 2026

Save £1,928 GBP (45%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £5,872 GBP at Taylor and Hart · As of October 20, 2026

View at Taylor and Hart

About this 2.53ct lab-grown marquise diamond

This 2.53ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843654839 or 843654839. Listed at 13 retailers as of November 1, 2026, with a 80% 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

2.53

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.7°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843654839

Dimensions14.42 × 6.96 × 4.28 mm

L/W Ratio2.07

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 LG843654839

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 1

Current: £3,232 GBP|Low: £1,619 GBP|High: £5,872 GBP|Avg: £3,150 GBP|+0.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Taylor and Hart

November 1, 2026

Retailer 11£1,619 GBP

Retailer 12£1,802 GBP

Retailer 8£2,147 GBP

Retailer 7£2,347 GBP

Retailer 4£2,397 GBP

Retailer 5£2,647 GBP

Retailer 10£2,754 GBP

Retailer 2£3,185 GBP

Retailer 1£3,232 GBP

Retailer 9£4,280 GBP

Retailer 3£4,325 GBP

Retailer 6£4,815 GBP

Taylor and Hart£5,872 GBP

10 data points across 13 retailers

13 retailers£2,397 GBP to £4,325 GBP

Retailer 1

£1,802 GBP

$2,415 USD

Price last confirmed 11 days ago

Retailer 2

£2,147 GBP

$2,877 USD

View

Price last confirmed 11 days ago

Retailer 3

£2,347 GBP

View

Price last confirmed 12 days ago

Retailer 4

£2,397 GBP

$3,212 USD

View

Retailer 5

£2,647 GBP

€3,378 EUR

View

Retailer 6

£2,754 GBP

$3,690 USD

View

Price last confirmed 11 days ago

Retailer 7

£3,185 GBP

View

Price last confirmed 11 days ago

B+

Retailer 8

£3,232 GBP

$4,330 USD

View

B+

Retailer 9

£4,247 GBP

$5,690 USD

View

Retailer 10

£4,280 GBP

ZAR 92,639 ZAR

View

Price last confirmed 13 days ago

B+

Retailer 11

£4,325 GBP

$5,795 USD

View

Retailer 12

£4,815 GBP

View

Price last confirmed 11 days ago

Most Expensive

Taylor and Hart

HJJRSJP · Oct 20

£5,872 GBP

$7,868 USD

View

Price last confirmed 12 days ago

12 more retailers have this diamond

Prices start from £2,397 GBPSave up to £1,928 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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2.53ct Marquise

£2,397 GBP