Marquise|Lab Grown|IGI

3.17ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780662179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662179

Diamond specifications and retailer prices

From €3,232 EUR

$3,611 USD

As of October 30, 2026

Save €19,011 EUR (85%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: €22,243 EUR at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG780662179 or 780662179. Listed at 15 retailers as of October 30, 2026, with prices from €3,232 to €22,243, a €19,011 spread on the same certified stone. Do Amore Diamonds lists it at €22,243. 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

3.17

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780662179

Dimensions14.40 × 7.57 × 4.92 mm

L/W Ratio1.90

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 LG780662179

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: €22,243 EUR|Low: €3,232 EUR|High: €25,609 EUR|Avg: €7,724 EUR|-13.1%

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

Retailer 15

November 1, 2026

Retailer 11€3,232 EUR

Retailer 12€3,392 EUR

Retailer 9€3,533 EUR

Retailer 5€3,550 EUR

Retailer 14€3,889 EUR

Retailer 7€4,375 EUR

Retailer 8€5,071 EUR

Retailer 4€5,172 EUR

Retailer 2€5,814 EUR

Retailer 6€6,928 EUR

Retailer 13€7,098 EUR

Retailer 10€7,814 EUR

Retailer 15€8,913 EUR

Retailer 3€10,278 EUR

Do Amore Diamonds€22,243 EUR

33 data points across 15 retailers

15 retailers€3,232 EUR to €22,243 EUR

Cheapest Retailer

€3,232 EUR

$3,611 USD

Retailer 2

€3,392 EUR

$3,790 USD

View

Retailer 3

€3,533 EUR

$3,947 USD

View

Retailer 4

€3,550 EUR

$3,966 USD

View

Retailer 5

€3,889 EUR

$4,345 USD

View

Retailer 6

€4,375 EUR

$4,888 USD

View

Final sale: no returns

Retailer 7

€5,071 EUR

$5,665 USD

View

Retailer 8

€5,172 EUR

$5,778 USD

View

B+

Retailer 9

€5,814 EUR

$6,495 USD

View

Retailer 10

€6,928 EUR

$7,740 USD

View

Price last confirmed 27 days ago

B+

Retailer 11

€7,098 EUR

View

B+

Retailer 12

€7,814 EUR

$8,730 USD

View

B+

Retailer 13

€8,913 EUR

£7,841 GBP

View

B+

Retailer 14

€10,278 EUR

$11,483 USD

View

Most Expensive

Do Amore Diamonds

27-6A663F7B3 · Oct 31

€22,243 EUR

$24,850 USD

View

14 more retailers have this diamond

Prices start from €3,232 EURSave up to €19,011 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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3.17ct Marquise

€3,232 EUR