Radiant|Lab Grown|IGI

2.53ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816608694

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816608694

Diamond specifications and retailer prices

From £1,030 GBP

$1,380 USD

As of October 29, 2026

Save £6,038 GBP (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £7,068 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.53ct lab-grown radiant diamond

This 2.53ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816608694 or 816608694. Listed at 12 retailers as of October 29, 2026, with prices from £1,030 to £7,068, a £6,038 spread on the same certified stone. Brilliant Earth lists it at £7,068. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.5°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG816608694

Dimensions9.36 × 6.75 × 4.72 mm

L/W Ratio1.39

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG816608694

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: Oct 29

Current: £7,068 GBP|Low: £1,030 GBP|High: £8,769 GBP|Avg: £4,023 GBP|-13.8%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

October 29, 2026

Retailer 3£1,030 GBP

Retailer 4£1,413 GBP

Retailer 8£1,519 GBP

Retailer 7£1,643 GBP

Retailer 6£1,849 GBP

Retailer 2£3,154 GBP

Retailer 9£4,213 GBP

Retailer 5£6,777 GBP

Retailer 10£6,950 GBP

Brilliant Earth£7,068 GBP

26 data points across 10 retailers

12 retailers£1,030 GBP to £7,068 GBP

Cheapest Retailer

£1,030 GBP

$1,380 USD

Retailer 2

£1,222 GBP

$1,638 USD

View

Price last confirmed 28 days ago

Retailer 3

£1,385 GBP

$1,856 USD

View

Price last confirmed 32 days ago

Retailer 4

£1,413 GBP

$1,893 USD

View

Retailer 5

£1,519 GBP

$2,035 USD

View

Retailer 6

£1,643 GBP

€2,096 EUR

View

Retailer 7

£1,849 GBP

$2,478 USD

View

Retailer 8

£3,056 GBP

$4,095 USD

View

Price last confirmed 29 days ago

B+

Retailer 9

£3,154 GBP

View

Retailer 10

£4,213 GBP

$5,645 USD

View

Price last confirmed 9 days ago

Retailer 11

£6,777 GBP

$9,080 USD

View

Most Expensive

Brilliant Earth

21059877Y · Oct 29

£7,068 GBP

$9,470 USD

View

11 more retailers have this diamond

Prices start from £1,030 GBPSave up to £6,038 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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