Marquise|Lab Grown|IGI

3.15ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784646955

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784646955

Diamond specifications and retailer prices

From €3,213 EUR

$3,590 USD

As of October 30, 2026

Save €18,895 EUR (85%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: €22,109 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.15ct lab-grown marquise diamond

This 3.15ct lab-grown marquise 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 LG784646955 or 784646955. Listed at 14 retailers as of October 30, 2026, with prices from €3,213 to €22,109, a €18,895 spread on the same certified stone. Do Amore Diamonds lists it at €22,109. 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

3.15

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784646955

Dimensions14.39 × 7.60 × 4.91 mm

L/W Ratio1.89

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 LG784646955

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: €22,109 EUR|Low: €3,213 EUR|High: €25,456 EUR|Avg: €7,297 EUR|-13.2%

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 31, 2026

Retailer 9€3,213 EUR

Retailer 10€3,371 EUR

Retailer 7€3,512 EUR

Retailer 4€3,529 EUR

Retailer 12€3,867 EUR

Retailer 6€4,348 EUR

Retailer 2€5,040 EUR

Retailer 14€5,141 EUR

Retailer 3€5,833 EUR

Retailer 5€6,852 EUR

Retailer 11€7,053 EUR

Retailer 8€8,369 EUR

Retailer 13€8,860 EUR

Do Amore Diamonds€22,109 EUR

33 data points across 14 retailers

14 retailers€3,213 EUR to €22,109 EUR

Cheapest Retailer

€3,213 EUR

$3,590 USD

Retailer 2

€3,371 EUR

$3,766 USD

View

Retailer 3

€3,512 EUR

$3,924 USD

View

Retailer 4

€3,529 EUR

$3,943 USD

View

Retailer 5

€3,867 EUR

$4,320 USD

View

Retailer 6

€4,348 EUR

$4,858 USD

View

Final sale: no returns

Retailer 7

€5,040 EUR

$5,631 USD

View

Retailer 8

€5,141 EUR

$5,744 USD

View

B+

Retailer 9

€5,833 EUR

$6,517 USD

View

Retailer 10

€6,852 EUR

$7,655 USD

View

Price last confirmed 25 days ago

B+

Retailer 11

€7,053 EUR

View

B+

Retailer 12

€8,369 EUR

$9,350 USD

View

B+

Retailer 13

€8,860 EUR

£7,794 GBP

View

Most Expensive

Do Amore Diamonds

27-FCE69DD6C · Oct 31

€22,109 EUR

$24,700 USD

View

13 more retailers have this diamond

Prices start from €3,213 EURSave up to €18,895 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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3.15ct Marquise

€3,213 EUR