Marquise|Lab Grown|IGI

3.17ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG766601599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766601599

Diamond specifications and retailer prices

From €3,588 EUR

$4,008 USD

As of October 31, 2026

Save €4,432 EUR (55%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: €11,964 EUR at Taylor and Hart · As of October 14, 2026

View at Taylor and Hart

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766601599 or 766601599. Listed at 19 retailers as of October 31, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG766601599

Dimensions15.11 × 7.64 × 4.89 mm

L/W Ratio1.98

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG766601599

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 31

Current: €8,020 EUR|Low: €2,445 EUR|High: €11,964 EUR|Avg: €6,316 EUR|-28.8%

Retailer 1

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

Retailer 16

Retailer 17

Taylor and Hart

October 30, 2026

Retailer 9€2,445 EUR

Retailer 6€3,297 EUR

Retailer 17€3,320 EUR

Retailer 5€3,437 EUR

Retailer 15€3,554 EUR

Retailer 11€3,588 EUR

Retailer 10€4,461 EUR

Retailer 12€4,650 EUR

Retailer 4€5,211 EUR

Retailer 2€5,303 EUR

Retailer 7€6,812 EUR

Retailer 13€7,855 EUR

Retailer 1€8,020 EUR

Retailer 8€8,469 EUR

Retailer 16€8,543 EUR

Retailer 14€8,750 EUR

Retailer 3€9,938 EUR

Taylor and Hart€11,964 EUR

33 data points across 18 retailers

19 retailers€3,588 EUR to €8,020 EUR

Retailer 1

€2,945 EUR

$3,290 USD

Price last confirmed 24 days ago

Retailer 2

€3,204 EUR

$3,579 USD

View

Price last confirmed 17 days ago

Retailer 3

€3,416 EUR

$3,816 USD

View

Price last confirmed 20 days ago

Retailer 4

€3,416 EUR

$3,816 USD

View

Price last confirmed 24 days ago

Retailer 5

€3,588 EUR

$4,008 USD

View

Retailer 6

€3,658 EUR

$4,087 USD

View

Price last confirmed 37 days ago

Retailer 7

€4,268 EUR

$4,768 USD

View

Price last confirmed 24 days ago

Retailer 8

€4,461 EUR

View

Retailer 9

€4,650 EUR

£4,091 GBP

View

Price last confirmed 17 days ago

Retailer 10

€5,211 EUR

£4,584 GBP

View

Price last confirmed 18 days ago

Retailer 11

€5,303 EUR

$5,924 USD

View

Price last confirmed 18 days ago

Retailer 12

€6,812 EUR

$7,610 USD

View

Price last confirmed 25 days ago

Retailer 13

€7,855 EUR

ZAR 141,778 ZAR

View

Price last confirmed 17 days ago

B+

Retailer 14

€8,020 EUR

$8,960 USD

View

Retailer 15

€8,469 EUR

A$14,556 AUD

View

Price last confirmed 33 days ago

Retailer 16

€8,543 EUR

$9,544 USD

View

Price last confirmed 17 days ago

Retailer 17

€8,750 EUR

£7,697 GBP

View

Price last confirmed 17 days ago

Retailer 18

€9,938 EUR

$11,103 USD

View

Price last confirmed 18 days ago

Most Expensive

Taylor and Hart

I4A2MOO · Oct 14

€11,964 EUR

$13,367 USD

View

Price last confirmed 18 days ago

18 more retailers have this diamond

Prices start from €3,588 EURSave up to €4,432 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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