Heart|Lab Grown|IGI

3.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784646951

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784646951

Diamond specifications and retailer prices

From €1,962 EUR

$2,192 USD

As of October 30, 2026

Save €11,536 EUR (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €13,498 EUR at Do Amore Diamonds · As of November 1, 2026

View at Do Amore Diamonds

About this 3.31ct lab-grown heart diamond

This 3.31ct 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 LG784646951 or 784646951. Listed at 12 retailers as of October 30, 2026, with prices from €1,962 to €13,498, a €11,536 spread on the same certified stone. Do Amore Diamonds lists it at €13,498. 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

3.31

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784646951

Dimensions10.10 × 8.89 × 6.14 mm

L/W Ratio1.14

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 LG784646951

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: €13,498 EUR|Low: €1,962 EUR|High: €16,130 EUR|Avg: €5,594 EUR|-16.3%

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 1, 2026

Retailer 10€1,962 EUR

Retailer 14€2,195 EUR

Retailer 7€2,305 EUR

Retailer 8€2,426 EUR

Retailer 9€2,610 EUR

Retailer 4€2,769 EUR

Retailer 2€3,453 EUR

Retailer 13€3,586 EUR

Retailer 12€3,654 EUR

Retailer 5€5,322 EUR

Retailer 11€6,951 EUR

Retailer 6€8,820 EUR

Retailer 3€13,122 EUR

Do Amore Diamonds€13,498 EUR

29 data points across 14 retailers

12 retailers€1,962 EUR to €13,498 EUR

Cheapest Retailer

€1,962 EUR

$2,192 USD

Retailer 2

€2,195 EUR

$2,452 USD

View

Retailer 3

€2,305 EUR

$2,575 USD

View

Retailer 4

€2,426 EUR

$2,710 USD

View

Retailer 5

€2,610 EUR

$2,916 USD

View

Retailer 6

€2,769 EUR

$3,094 USD

View

Final sale: no returns

Retailer 7

€3,453 EUR

$3,858 USD

View

Retailer 8

€3,586 EUR

$4,006 USD

View

B+

Retailer 9

€3,654 EUR

$4,082 USD

View

B+

Retailer 10

€6,951 EUR

£6,115 GBP

View

Retailer 11

€13,122 EUR

$14,660 USD

View

Most Expensive

Do Amore Diamonds

27-27CD39F0E · Nov 1

€13,498 EUR

$15,080 USD

View

11 more retailers have this diamond

Prices start from €1,962 EURSave up to €11,536 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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3.31ct Heart

€1,962 EUR