Heart|Lab Grown|IGI

1.08ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG598394149

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394149

Diamond specifications and retailer prices

From £251 GBP

$336 USD

As of October 30, 2026

Save £1,002 GBP (80%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,933 GBP at Brilliant Earth · As of October 21, 2026

View at Brilliant Earth

About this 1.08ct lab-grown heart diamond

This 1.08ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598394149 or 598394149. Listed at 19 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle35.6°

Pavilion angle41.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG598394149

Dimensions7.07 × 6.58 × 4.17 mm

L/W Ratio1.07

Girdle conditionFaceted

Culet sizePointed

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

SymmetryVery Good

FluorescenceNone

CertificateIGI LG598394149

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: £1,933 GBP|Low: £246 GBP|High: £1,933 GBP|Avg: £602 GBP

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 31, 2026

Retailer 8£251 GBP

Retailer 10£285 GBP

Retailer 6£291 GBP

Retailer 17£311 GBP

Retailer 11£318 GBP

Retailer 15£321 GBP

Retailer 5£418 GBP

Retailer 13£418 GBP

Retailer 19£490 GBP

Retailer 7£495 GBP

Retailer 2£502 GBP

Retailer 4£535 GBP

Retailer 12£558 GBP

Retailer 14£912 GBP

Retailer 3£1,000 GBP

Retailer 9£1,032 GBP

Retailer 16£1,124 GBP

Retailer 18£1,253 GBP

Brilliant Earth£1,933 GBP

35 data points across 19 retailers

19 retailers£251 GBP to £1,253 GBP

Cheapest Retailer

£251 GBP

$336 USD

Retailer 2

£285 GBP

$382 USD

View

Final sale: no returns

Retailer 3

£291 GBP

$390 USD

View

Retailer 4

£311 GBP

$417 USD

View

Retailer 5

£318 GBP

$426 USD

View

Retailer 6

£321 GBP

View

Retailer 7

£418 GBP

$560 USD

View

Retailer 8

£418 GBP

$560 USD

View

B+

Retailer 9

£490 GBP

$656 USD

View

B+

Retailer 10

£495 GBP

$663 USD

View

B+

Retailer 11

£502 GBP

€641 EUR

View

B+

Retailer 12

£535 GBP

ZAR 11,570 ZAR

View

B+

Retailer 13

£558 GBP

View

Retailer 14

£912 GBP

$1,222 USD

View

B+

Retailer 15

£1,000 GBP

$1,340 USD

View

Retailer 16

£1,032 GBP

$1,383 USD

View

Retailer 17

£1,124 GBP

$1,506 USD

View

Retailer 18

£1,253 GBP

View

Most Expensive

Brilliant Earth

11244845A · Oct 21

£1,933 GBP

$2,590 USD

View

Price last confirmed 10 days ago

18 more retailers have this diamond

Prices start from £251 GBPSave up to £1,002 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

1.08ct Heart

£251 GBP