Heart|Lab Grown|IGI

2.49ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811639515

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811639515

Diamond specifications and retailer prices

From £793 GBP

$1,062 USD

As of October 30, 2026

Save £3,611 GBP (82%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £4,403 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 2.49ct lab-grown heart diamond

This 2.49ct lab-grown heart 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 LG811639515 or 811639515. Listed at 21 retailers as of October 30, 2026, with prices from £793 to £4,403, a £3,611 spread on the same certified stone. Brilliant Earth lists it at £4,403. 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

2.49

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811639515

Dimensions9.50 × 8.29 × 5.36 mm

L/W Ratio1.15

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG811639515

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: £4,403 GBP|Low: £793 GBP|High: £6,501 GBP|Avg: £2,452 GBP|-32.3%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

October 30, 2026

Retailer 6£793 GBP

Retailer 19£863 GBP

Retailer 17£887 GBP

Retailer 15£919 GBP

Retailer 14£1,049 GBP

Retailer 5£1,097 GBP

Retailer 11£1,262 GBP

Retailer 2£1,332 GBP

Retailer 8£1,466 GBP

Retailer 16£1,724 GBP

Retailer 9£1,865 GBP

Retailer 18£1,968 GBP

Retailer 12£2,373 GBP

Retailer 7£2,820 GBP

Retailer 10£3,082 GBP

Retailer 13£3,135 GBP

Retailer 3£3,212 GBP

Retailer 4£3,321 GBP

Brilliant Earth£4,403 GBP

27 data points across 19 retailers

21 retailers£793 GBP to £4,403 GBP

Cheapest Retailer

£793 GBP

$1,062 USD

Retailer 2

£863 GBP

$1,156 USD

View

Retailer 3

£887 GBP

$1,189 USD

View

Final sale: no returns

Retailer 4

£919 GBP

$1,232 USD

View

Retailer 5

£1,049 GBP

$1,405 USD

View

Retailer 6

£1,097 GBP

$1,470 USD

View

Retailer 7

£1,262 GBP

$1,691 USD

View

Price last confirmed 18 days ago

Retailer 8

£1,332 GBP

View

Retailer 9

£1,466 GBP

$1,964 USD

View

B+

Retailer 10

£1,724 GBP

$2,310 USD

View

B+

Retailer 11

£1,865 GBP

$2,499 USD

View

B+

Retailer 12

£1,968 GBP

$2,637 USD

View

Retailer 13

£2,029 GBP

$2,719 USD

View

Price last confirmed 9 days ago

B+

Retailer 14

£2,373 GBP

ZAR 51,359 ZAR

View

B+

Retailer 15

£2,716 GBP

$3,639 USD

View

B+

Retailer 16

£2,820 GBP

$3,778 USD

View

B+

Retailer 17

£3,082 GBP

SGD 5,580 SGD

View

B+

Retailer 18

£3,135 GBP

View

B+

Retailer 19

£3,212 GBP

$4,303 USD

View

B+

Retailer 20

£3,321 GBP

$4,450 USD

View

Most Expensive

Brilliant Earth

21423005A · Oct 30

£4,403 GBP

$5,900 USD

View

20 more retailers have this diamond

Prices start from £793 GBPSave up to £3,611 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.

Similar diamonds

2.49ct Heart

£793 GBP