Heart|Lab Grown|IGI

1.56ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681479

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681479

Diamond specifications and retailer prices

From €521 EUR

$582 USD

As of October 30, 2026

Save €4,107 EUR (89%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €4,628 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 1.56ct lab-grown heart diamond

This 1.56ct 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 LG818681479 or 818681479. Listed at 12 retailers as of October 30, 2026, with prices from €521 to €4,628, a €4,107 spread on the same certified stone. Do Amore Diamonds lists it at €4,628. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle42.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818681479

Dimensions7.52 × 7.82 × 4.77 mm

L/W Ratio1.04

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 LG818681479

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 30

Current: €4,628 EUR|Low: €521 EUR|High: €6,659 EUR|Avg: €2,165 EUR|-30.5%

Do Amore Diamonds

Retailer 2

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Retailer 13

November 1, 2026

Retailer 9€521 EUR

Retailer 13€584 EUR

Retailer 3€774 EUR

Retailer 4€829 EUR

Retailer 10€994 EUR

Retailer 6€1,144 EUR

Retailer 8€1,430 EUR

Retailer 11€1,603 EUR

Retailer 12€1,876 EUR

Retailer 2€2,810 EUR

Retailer 7€3,097 EUR

Do Amore Diamonds€4,628 EUR

Retailer 5€5,204 EUR

27 data points across 13 retailers

12 retailers€521 EUR to €4,628 EUR

Cheapest Retailer

€521 EUR

$582 USD

Retailer 2

€584 EUR

$652 USD

View

Retailer 3

€774 EUR

$865 USD

View

Retailer 4

€829 EUR

$926 USD

View

Retailer 5

€994 EUR

$1,111 USD

View

B+

Retailer 6

€1,144 EUR

View

B+

Retailer 7

€1,430 EUR

A$2,458 AUD

View

B+

Retailer 8

€1,603 EUR

$1,791 USD

View

B+

Retailer 9

€1,876 EUR

$2,096 USD

View

Retailer 10

€2,810 EUR

£2,472 GBP

View

Retailer 11

€3,097 EUR

$3,460 USD

View

Most Expensive

Do Amore Diamonds

27-F84F80B5E · Oct 31

€4,628 EUR

$5,170 USD

View

11 more retailers have this diamond

Prices start from €521 EURSave up to €4,107 EUR

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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1.56ct Heart

€521 EUR