Heart|Lab Grown|IGI

1.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620977

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620977

Diamond specifications and retailer prices

From £510 GBP

$684 USD

As of October 30, 2026

Save £2,779 GBP (84%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £3,290 GBP at With Clarity · As of October 31, 2026

View at With Clarity

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620977 or 836620977. Listed at 18 retailers as of October 30, 2026, with prices from £510 to £3,290, a £2,779 spread on the same certified stone. With Clarity lists it at £3,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.7°

Pavilion angle38.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836620977

Dimensions6.99 × 8.01 × 4.77 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 LG836620977

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: £2,732 GBP|Low: £510 GBP|High: £3,896 GBP|Avg: £1,599 GBP|-29.9%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 15

Retailer 16

With Clarity

October 30, 2026

Retailer 5£510 GBP

Retailer 2£555 GBP

Retailer 14£592 GBP

Retailer 4£646 GBP

Retailer 12£724 GBP

Retailer 16£914 GBP

Retailer 9£948 GBP

Retailer 13£964 GBP

Retailer 11£1,088 GBP

Retailer 7£1,329 GBP

Retailer 15£1,664 GBP

Retailer 6£1,951 GBP

Retailer 3£2,042 GBP

Retailer 8£2,318 GBP

Retailer 10£2,507 GBP

Retailer 1£2,732 GBP

With Clarity£3,290 GBP

35 data points across 17 retailers

18 retailers£510 GBP to £3,290 GBP

Cheapest Retailer

£510 GBP

$684 USD

Retailer 2

£555 GBP

$744 USD

View

Retailer 3

£592 GBP

$793 USD

View

Retailer 4

£613 GBP

$821 USD

View

Price last confirmed 13 days ago

Retailer 5

£646 GBP

$865 USD

View

Final sale: no returns

Retailer 6

£724 GBP

$970 USD

View

B+

Retailer 7

£914 GBP

$1,225 USD

View

Retailer 8

£948 GBP

View

B+

Retailer 9

£964 GBP

$1,291 USD

View

B+

Retailer 10

£1,088 GBP

ZAR 23,555 ZAR

View

B+

Retailer 11

£1,329 GBP

$1,781 USD

View

B+

Retailer 12

£1,664 GBP

$2,230 USD

View

B+

Retailer 13

£1,951 GBP

$2,614 USD

View

Retailer 14

£2,042 GBP

$2,736 USD

View

Retailer 15

£2,318 GBP

SGD 4,197 SGD

View

Retailer 16

£2,507 GBP

View

Retailer 17

£2,732 GBP

$3,660 USD

View

Most Expensive

With Clarity

836620977 · Oct 31

£3,290 GBP

$4,408 USD

View

17 more retailers have this diamond

Prices start from £510 GBPSave up to £2,779 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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