Marquise|Lab Grown|IGI

3.14ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645342

Diamond specifications and retailer prices

From €3,204 EUR

$3,579 USD

As of October 30, 2026

Save €18,834 EUR (85%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: €22,037 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.14ct lab-grown marquise diamond

This 3.14ct 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 LG784645342 or 784645342. Listed at 14 retailers as of October 30, 2026, with prices from €3,204 to €22,037, a €18,834 spread on the same certified stone. Do Amore Diamonds lists it at €22,037. 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

3.14

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784645342

Dimensions14.78 × 7.64 × 4.77 mm

L/W Ratio1.93

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 LG784645342

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: €22,037 EUR|Low: €3,204 EUR|High: €25,376 EUR|Avg: €7,280 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€3,204 EUR

Retailer 10€3,360 EUR

Retailer 7€3,502 EUR

Retailer 4€3,519 EUR

Retailer 12€3,853 EUR

Retailer 6€4,336 EUR

Retailer 2€5,025 EUR

Retailer 13€5,125 EUR

Retailer 3€5,815 EUR

Retailer 5€6,843 EUR

Retailer 11€7,030 EUR

Retailer 8€8,342 EUR

Retailer 14€8,882 EUR

Do Amore Diamonds€22,037 EUR

33 data points across 14 retailers

14 retailers€3,204 EUR to €22,037 EUR

Cheapest Retailer

€3,204 EUR

$3,579 USD

Retailer 2

€3,360 EUR

$3,754 USD

View

Retailer 3

€3,502 EUR

$3,913 USD

View

Retailer 4

€3,519 EUR

$3,931 USD

View

Retailer 5

€3,853 EUR

$4,305 USD

View

Retailer 6

€4,336 EUR

$4,844 USD

View

Final sale: no returns

Retailer 7

€5,025 EUR

$5,614 USD

View

Retailer 8

€5,125 EUR

$5,726 USD

View

B+

Retailer 9

€5,815 EUR

$6,497 USD

View

Retailer 10

€6,843 EUR

$7,645 USD

View

Price last confirmed 25 days ago

B+

Retailer 11

€7,030 EUR

View

B+

Retailer 12

€8,342 EUR

$9,320 USD

View

B+

Retailer 13

€8,882 EUR

£7,813 GBP

View

Most Expensive

Do Amore Diamonds

27-48C2BAA8F · Oct 31

€22,037 EUR

$24,620 USD

View

13 more retailers have this diamond

Prices start from €3,204 EURSave up to €18,834 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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3.14ct Marquise

€3,204 EUR