Radiant|Lab Grown|IGI

5.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666057

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG780666057

Diamond specifications and retailer prices

From €7,789 EUR

$8,702 USD

As of October 30, 2026

Save €17,372 EUR (69%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: €25,161 EUR at Frank Darling · As of October 31, 2026

View at Frank Darling

About this 5.29ct lab-grown radiant diamond

This 5.29ct lab-grown radiant 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 LG780666057 or 780666057. Listed at 15 retailers as of October 30, 2026, with prices from €7,789 to €25,161, a €17,372 spread on the same certified stone. Frank Darling lists it at €25,161. 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

5.29

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.3°

Pavilion angle34.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780666057

Dimensions12.20 × 8.71 × 5.70 mm

L/W Ratio1.40

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 LG780666057

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: €25,161 EUR|Low: €7,789 EUR|High: €54,430 EUR|Avg: €16,003 EUR|-18.3%

Frank Darling

Retailer 2

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Retailer 5

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 15

October 31, 2026

Retailer 11€7,789 EUR

Retailer 6€7,857 EUR

Retailer 13€7,910 EUR

Retailer 5€8,101 EUR

Retailer 3€8,951 EUR

Retailer 14€10,051 EUR

Retailer 12€10,453 EUR

Retailer 10€10,799 EUR

Retailer 4€11,216 EUR

Retailer 7€11,251 EUR

Retailer 8€15,951 EUR

Retailer 2€17,613 EUR

Retailer 9€17,897 EUR

Frank Darling€25,161 EUR

Retailer 15€48,603 EUR

41 data points across 15 retailers

15 retailers€7,789 EUR to €25,161 EUR

A+

Cheapest Retailer

€7,789 EUR

$8,702 USD

A+

Retailer 2

€7,857 EUR

$8,778 USD

View

Retailer 3

€7,910 EUR

$8,837 USD

View

Retailer 4

€8,101 EUR

$9,050 USD

View

Retailer 5

€8,951 EUR

$10,000 USD

View

Retailer 6

€10,051 EUR

$11,229 USD

View

Retailer 7

€10,453 EUR

$11,678 USD

View

Retailer 8

€10,799 EUR

$12,065 USD

View

Retailer 9

€11,216 EUR

$12,531 USD

View

Retailer 10

€11,251 EUR

$12,570 USD

View

Final sale: no returns

Retailer 11

€15,951 EUR

$17,820 USD

View

B+

Retailer 12

€17,613 EUR

View

B+

Retailer 13

€17,897 EUR

£15,744 GBP

View

Most Expensive

B+

Frank Darling

P83G-5EL · Oct 31

€25,161 EUR

$28,110 USD

View

13 more retailers have this diamond

Prices start from €7,789 EURSave up to €17,372 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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A+

5.29ct Radiant

€7,789 EUR