Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG786645678

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786645678

Diamond specifications and retailer prices

From €3,368 EUR

$3,763 USD

As of October 30, 2026

Save €19,806 EUR (85%) vs most expensive(unlock to see where)

10 retailers carry this diamond

Most expensive: €23,174 EUR at Do Amore Diamonds · As of November 1, 2026

View at Do Amore Diamonds

About this 4.03ct lab-grown heart diamond

This 4.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786645678 or 786645678. Listed at 10 retailers as of October 30, 2026, with prices from €3,368 to €23,174, a €19,806 spread on the same certified stone. Do Amore Diamonds lists it at €23,174. 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

4.03

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle38.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG786645678

Dimensions11.19 × 9.88 × 6.31 mm

L/W Ratio1.13

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

SymmetryExcellent

FluorescenceNone

CertificateIGI LG786645678

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: €23,174 EUR|Low: €3,368 EUR|High: €27,094 EUR|Avg: €10,672 EUR|-13.6%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

October 31, 2026

Retailer 11€3,368 EUR

Retailer 8€3,529 EUR

Retailer 13€4,603 EUR

Retailer 2€5,004 EUR

Retailer 10€5,182 EUR

Retailer 9€5,389 EUR

Retailer 12€6,054 EUR

Retailer 7€8,977 EUR

Retailer 3€9,930 EUR

Retailer 6€11,081 EUR

Retailer 4€11,567 EUR

Retailer 5€21,750 EUR

Do Amore Diamonds€23,174 EUR

28 data points across 13 retailers

10 retailers€3,368 EUR to €23,174 EUR

Cheapest Retailer

€3,368 EUR

$3,763 USD

Retailer 2

€3,529 EUR

$3,943 USD

View

Retailer 3

€4,603 EUR

$5,142 USD

View

Final sale: no returns

Retailer 4

€5,004 EUR

$5,590 USD

View

Retailer 5

€5,182 EUR

$5,789 USD

View

Retailer 6

€5,389 EUR

$6,021 USD

View

Retailer 7

€6,054 EUR

$6,764 USD

View

B+

Retailer 8

€8,977 EUR

£7,897 GBP

View

B+

Retailer 9

€11,081 EUR

$12,380 USD

View

Most Expensive

Do Amore Diamonds

27-95D350581 · Nov 1

€23,174 EUR

$25,890 USD

View

9 more retailers have this diamond

Prices start from €3,368 EURSave up to €19,806 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.

Similar diamonds

4.03ct Heart

€3,368 EUR