Round|Lab Grown|IGI

5.09ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811634738

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811634738

Diamond specifications and retailer prices

From €6,996 EUR

$7,816 USD

As of October 30, 2026

Save €24,829 EUR (78%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €31,825 EUR at With Clarity · As of October 31, 2026

View at With Clarity

About this 5.09ct lab-grown round diamond

This 5.09ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634738 or 811634738. Listed at 13 retailers as of October 30, 2026, with prices from €6,996 to €31,825, a €24,829 spread on the same certified stone. With Clarity lists it at €31,825. 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

5.09

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811634738

Dimensions11.08 × 11.01 × 6.76 mm

L/W Ratio1.01

Girdle conditionFaceted

Cert comments

HEARTS & ARROWS 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 LG811634738

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: €9,643 EUR|Low: €6,884 EUR|High: €31,856 EUR|Avg: €15,658 EUR|+0.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

With Clarity

November 1, 2026

Retailer 11€6,996 EUR

Retailer 9€7,756 EUR

Retailer 3€8,208 EUR

Retailer 12€8,536 EUR

Retailer 4€9,350 EUR

Retailer 1€9,643 EUR

Retailer 5€13,107 EUR

Retailer 10€14,381 EUR

Retailer 8€14,673 EUR

Retailer 7€15,974 EUR

Retailer 6€19,638 EUR

Retailer 2€26,099 EUR

With Clarity€31,856 EUR

43 data points across 13 retailers

13 retailers€6,996 EUR to €31,825 EUR

Cheapest Retailer

€6,996 EUR

$7,816 USD

Retailer 2

€7,756 EUR

$8,665 USD

View

Price last confirmed 14 days ago

Retailer 3

€8,208 EUR

$9,170 USD

View

Retailer 4

€8,536 EUR

HK$74,500 HKD

View

Retailer 5

€9,350 EUR

$10,446 USD

View

Retailer 6

€9,643 EUR

£8,483 GBP

View

Retailer 7

€13,107 EUR

View

Retailer 8

€14,381 EUR

$16,067 USD

View

B+

Retailer 9

€14,673 EUR

£12,908 GBP

View

B+

Retailer 10

€15,974 EUR

ZAR 288,310 ZAR

View

B+

Retailer 11

€19,638 EUR

$21,940 USD

View

Retailer 12

€26,099 EUR

$29,158 USD

View

Most Expensive

With Clarity

811634738 · Oct 31

€31,825 EUR

$35,555 USD

View

12 more retailers have this diamond

Prices start from €6,996 EURSave up to €24,829 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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5.09ct Round

€6,996 EUR