Heart|Lab Grown|IGI

3.46ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660276

Diamond specifications and retailer prices

From €2,103 EUR

$2,350 USD

As of October 30, 2026

Save €12,397 EUR (85%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €14,500 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.46ct lab-grown heart diamond

This 3.46ct 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 LG804660276 or 804660276. Listed at 13 retailers as of October 30, 2026, with prices from €2,103 to €14,500, a €12,397 spread on the same certified stone. Do Amore Diamonds lists it at €14,500. 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

3.46

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804660276

Dimensions10.22 × 9.78 × 6.09 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 LG804660276

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: €14,500 EUR|Low: €2,103 EUR|High: €17,615 EUR|Avg: €5,644 EUR|-17.7%

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

October 30, 2026

Retailer 2€2,103 EUR

Retailer 14€2,293 EUR

Retailer 10€2,463 EUR

Retailer 12€2,591 EUR

Retailer 3€2,839 EUR

Retailer 5€3,006 EUR

Retailer 13€3,709 EUR

Retailer 11€3,747 EUR

Retailer 9€3,815 EUR

Retailer 7€4,566 EUR

Retailer 6€5,782 EUR

Retailer 8€7,263 EUR

Retailer 4€13,713 EUR

Do Amore Diamonds€14,500 EUR

30 data points across 14 retailers

13 retailers€2,103 EUR to €14,500 EUR

Cheapest Retailer

€2,103 EUR

$2,350 USD

Retailer 2

€2,293 EUR

$2,562 USD

View

Retailer 3

€2,463 EUR

$2,752 USD

View

Retailer 4

€2,591 EUR

$2,895 USD

View

Retailer 5

€2,839 EUR

$3,172 USD

View

Retailer 6

€3,006 EUR

$3,358 USD

View

Final sale: no returns

Retailer 7

€3,709 EUR

$4,144 USD

View

Retailer 8

€3,747 EUR

$4,186 USD

View

Retailer 9

€3,815 EUR

$4,262 USD

View

B+

Retailer 10

€4,566 EUR

View

B+

Retailer 11

€7,263 EUR

£6,389 GBP

View

Retailer 12

€13,713 EUR

$15,320 USD

View

Most Expensive

Do Amore Diamonds

27-FFA854F6D · Oct 31

€14,500 EUR

$16,200 USD

View

12 more retailers have this diamond

Prices start from €2,103 EURSave up to €12,397 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

3.46ct Heart

€2,103 EUR