Heart|Lab Grown|IGI

3.94ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660314

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660314

Diamond specifications and retailer prices

From €2,683 EUR

$2,997 USD

As of October 30, 2026

Save €15,774 EUR (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €18,457 EUR at Do Amore Diamonds · As of November 1, 2026

View at Do Amore Diamonds

About this 3.94ct lab-grown heart diamond

This 3.94ct 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 LG804660314 or 804660314. Listed at 12 retailers as of October 30, 2026, with prices from €2,683 to €18,457, a €15,774 spread on the same certified stone. Do Amore Diamonds lists it at €18,457. 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

3.94

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.8°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804660314

Dimensions9.52 × 10.93 × 6.40 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 LG804660314

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: €18,457 EUR|Low: €2,683 EUR|High: €20,865 EUR|Avg: €8,249 EUR|-11.5%

Do Amore Diamonds

Retailer 2

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Retailer 14

November 1, 2026

Retailer 13€2,683 EUR

Retailer 3€2,927 EUR

Retailer 9€3,042 EUR

Retailer 10€3,254 EUR

Retailer 4€3,565 EUR

Retailer 12€3,575 EUR

Retailer 8€4,292 EUR

Retailer 14€4,393 EUR

Retailer 7€4,835 EUR

Retailer 2€8,705 EUR

Retailer 11€11,833 EUR

Retailer 6€15,102 EUR

Retailer 5€18,305 EUR

Do Amore Diamonds€18,457 EUR

28 data points across 14 retailers

12 retailers€2,683 EUR to €18,457 EUR

Cheapest Retailer

€2,683 EUR

$2,997 USD

Retailer 2

€2,927 EUR

$3,270 USD

View

Retailer 3

€3,042 EUR

$3,398 USD

View

Retailer 4

€3,254 EUR

$3,635 USD

View

Retailer 5

€3,565 EUR

$3,983 USD

View

Final sale: no returns

Retailer 6

€3,575 EUR

$3,994 USD

View

Retailer 7

€4,292 EUR

$4,795 USD

View

B+

Retailer 8

€4,393 EUR

$4,908 USD

View

B+

Retailer 9

€4,835 EUR

$5,402 USD

View

Retailer 10

€8,705 EUR

£7,658 GBP

View

Retailer 11

€11,833 EUR

$13,220 USD

View

Most Expensive

Do Amore Diamonds

27-45E0A7750 · Nov 1

€18,457 EUR

$20,620 USD

View

11 more retailers have this diamond

Prices start from €2,683 EURSave up to €15,774 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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3.94ct Heart

€2,683 EUR