Heart|Lab Grown|IGI

4.66ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG780661824

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780661824

Diamond specifications and retailer prices

From €4,609 EUR

$5,169 USD

As of November 2, 2026

Save €27,096 EUR (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €31,705 EUR at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 4.66ct lab-grown heart diamond

This 4.66ct 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 LG780661824 or 780661824. Listed at 12 retailers as of November 2, 2026, with prices from €4,609 to €31,705, a €27,096 spread on the same certified stone. Do Amore Diamonds lists it at €31,705. 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

4.66

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle39.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780661824

Dimensions10.05 × 11.64 × 6.93 mm

L/W Ratio1.16

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 LG780661824

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: Nov 2

Current: €31,705 EUR|Low: €4,609 EUR|High: €37,125 EUR|Avg: €11,674 EUR|-14.6%

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

Retailer 14

November 2, 2026

Retailer 3€4,609 EUR

Retailer 7€4,830 EUR

Retailer 11€4,849 EUR

Retailer 12€5,363 EUR

Retailer 13€5,777 EUR

Retailer 2€6,703 EUR

Retailer 4€7,004 EUR

Retailer 10€7,005 EUR

Retailer 9€8,260 EUR

Retailer 8€12,007 EUR

Retailer 5€13,351 EUR

Retailer 14€15,656 EUR

Retailer 6€18,662 EUR

Do Amore Diamonds€31,705 EUR

31 data points across 14 retailers

12 retailers€4,609 EUR to €31,705 EUR

Cheapest Retailer

€4,609 EUR

$5,169 USD

Retailer 2

€4,830 EUR

$5,417 USD

View

Retailer 3

€4,849 EUR

$5,439 USD

View

Retailer 4

€5,363 EUR

$6,015 USD

View

Retailer 5

€5,777 EUR

$6,480 USD

View

Retailer 6

€6,703 EUR

$7,518 USD

View

Retailer 7

€7,004 EUR

$7,856 USD

View

Final sale: no returns

Retailer 8

€7,005 EUR

$7,857 USD

View

Retailer 9

€8,260 EUR

$9,264 USD

View

B+

Retailer 10

€12,007 EUR

£10,604 GBP

View

B+

Retailer 11

€15,656 EUR

$17,560 USD

View

Most Expensive

Do Amore Diamonds

27-6C54D9605 · Nov 2

€31,705 EUR

$35,560 USD

View

11 more retailers have this diamond

Prices start from €4,609 EURSave up to €27,096 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

4.66ct Heart

€4,609 EUR