Heart|Lab Grown|IGI

2.50ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG831603947

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831603947

Diamond specifications and retailer prices

From £1,189 GBP

$1,593 USD

As of October 31, 2026

Save £5,797 GBP (83%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £6,986 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 2.5ct lab-grown heart diamond

This 2.5ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831603947 or 831603947. Listed at 21 retailers as of October 30, 2026, with prices from £1,189 to £6,986, a £5,797 spread on the same certified stone. Brilliant Earth lists it at £6,986. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50

Carat

Colour

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831603947

Dimensions8.31 × 9.37 × 5.64 mm

L/W Ratio1.13

Girdle conditionFaceted

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

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG831603947

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 31

Current: £6,986 GBP|Low: £1,189 GBP|High: £7,098 GBP|Avg: £3,540 GBP|-1.6%

Brilliant Earth

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October 31, 2026

Retailer 2£1,189 GBP

Retailer 17£1,423 GBP

Retailer 5£1,607 GBP

Retailer 13£1,725 GBP

Retailer 9£1,749 GBP

Retailer 6£1,864 GBP

Retailer 11£1,864 GBP

Retailer 10£1,934 GBP

Retailer 3£1,989 GBP

Retailer 8£2,161 GBP

Retailer 7£2,563 GBP

Retailer 21£2,593 GBP

Retailer 4£2,694 GBP

Retailer 18£3,188 GBP

Retailer 16£4,124 GBP

Retailer 15£4,484 GBP

Retailer 19£4,810 GBP

Retailer 20£5,085 GBP

Retailer 12£5,543 GBP

Retailer 14£6,518 GBP

Brilliant Earth£6,986 GBP

39 data points across 21 retailers

21 retailers£1,189 GBP to £6,986 GBP

Cheapest Retailer

£1,189 GBP

$1,593 USD

Final sale: no returns

Retailer 2

£1,423 GBP

HK$14,900 HKD

View

Retailer 3

£1,607 GBP

$2,153 USD

View

Retailer 4

£1,725 GBP

View

B+

Retailer 5

£1,749 GBP

$2,343 USD

View

B+

Retailer 6

£1,864 GBP

$2,498 USD

View

Retailer 7

£1,864 GBP

$2,498 USD

View

Price last confirmed 20 days ago

B+

Retailer 8

£1,934 GBP

$2,592 USD

View

B+

Retailer 9

£1,989 GBP

$2,665 USD

View

B+

Retailer 10

£2,161 GBP

$2,896 USD

View

B+

Retailer 11

£2,563 GBP

$3,434 USD

View

B+

Retailer 12

£2,593 GBP

$3,474 USD

View

B+

Retailer 13

£2,694 GBP

$3,610 USD

View

Retailer 14

£3,188 GBP

$4,272 USD

View

Retailer 15

£4,124 GBP

SGD 7,467 SGD

View

Retailer 16

£4,484 GBP

$6,008 USD

View

Retailer 17

£4,810 GBP

ZAR 104,122 ZAR

View

Retailer 18

£5,085 GBP

View

Retailer 19

£5,543 GBP

$7,427 USD

View

Retailer 20

£6,518 GBP

$8,733 USD

View

Most Expensive

Brilliant Earth

21584319A · Oct 30

£6,986 GBP

$9,360 USD

View

20 more retailers have this diamond

Prices start from £1,189 GBPSave up to £5,797 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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