Heart|Lab Grown|IGI

4.25ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660315

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660315

Diamond specifications and retailer prices

From €3,685 EUR

$4,117 USD

As of October 30, 2026

Save €21,771 EUR (86%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €25,456 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.25ct lab-grown heart diamond

This 4.25ct 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 LG804660315 or 804660315. Listed at 13 retailers as of October 30, 2026, with prices from €3,685 to €25,456, a €21,771 spread on the same certified stone. Do Amore Diamonds lists it at €25,456. 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

4.25

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle38.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804660315

Dimensions10.24 × 10.80 × 6.37 mm

L/W Ratio1.05

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 LG804660315

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: €25,456 EUR|Low: €3,685 EUR|High: €28,518 EUR|Avg: €8,857 EUR|-10.7%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

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Retailer 7

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Retailer 13

Retailer 14

October 31, 2026

Retailer 9€3,685 EUR

Retailer 4€3,878 EUR

Retailer 12€3,992 EUR

Retailer 2€4,320 EUR

Retailer 3€4,337 EUR

Retailer 5€4,876 EUR

Retailer 13€5,585 EUR

Retailer 14€5,920 EUR

Retailer 11€6,645 EUR

Retailer 7€8,134 EUR

Retailer 6€9,308 EUR

Retailer 10€9,863 EUR

Retailer 8€14,107 EUR

Do Amore Diamonds€25,456 EUR

31 data points across 14 retailers

13 retailers€3,685 EUR to €25,456 EUR

Cheapest Retailer

€3,685 EUR

$4,117 USD

Retailer 2

€3,878 EUR

$4,332 USD

View

Retailer 3

€3,992 EUR

$4,460 USD

View

Retailer 4

€4,320 EUR

$4,826 USD

View

Retailer 5

€4,337 EUR

$4,845 USD

View

Retailer 6

€4,876 EUR

$5,448 USD

View

Final sale: no returns

Retailer 7

€5,585 EUR

$6,240 USD

View

Retailer 8

€5,920 EUR

$6,614 USD

View

Retailer 9

€6,645 EUR

$7,424 USD

View

Retailer 10

€8,134 EUR

View

B+

Retailer 11

€9,863 EUR

£8,676 GBP

View

B+

Retailer 12

€14,107 EUR

$15,760 USD

View

Most Expensive

Do Amore Diamonds

27-FF0CCDED2 · Oct 31

€25,456 EUR

$28,440 USD

View

12 more retailers have this diamond

Prices start from €3,685 EURSave up to €21,771 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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4.25ct Heart

€3,685 EUR