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Radiant|Lab Grown|IGI

5.17ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665318

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

Certificate IGI LG804665318

Diamond specifications and retailer prices

From €8,152 EUR
$9,107 USD
As of October 30, 2026
Save €10,301 EUR (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €18,453 EUR at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.17ct lab-grown radiant diamond

This 5.17ct 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 LG804665318 or 804665318. Listed at 14 retailers as of October 30, 2026, with prices from €8,152 to €18,453, a €10,301 spread on the same certified stone. Yorxs lists it at €18,453. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665318
Dimensions11.98 × 8.54 × 5.82 mm
L/W Ratio1.40
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
Top View
11.98 mm8.54 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665318
Side View
Table 59.0%Crown 38.8°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €15,584 EUR|Low: €8,152 EUR|High: €55,039 EUR|Avg: €15,435 EUR|-40.8%
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
Yorxs
October 31, 2026
Retailer 8€8,152 EUR
Retailer 10€8,201 EUR
Retailer 4€8,305 EUR
Retailer 3€8,477 EUR
Retailer 13€9,358 EUR
Retailer 2€9,782 EUR
Retailer 11€10,351 EUR
Retailer 9€10,935 EUR
Retailer 7€10,938 EUR
Retailer 5€11,001 EUR
Retailer 1€15,584 EUR
Retailer 6€16,857 EUR
Yorxs€18,453 EUR
Retailer 12€50,868 EUR

39 data points across 14 retailers

14 retailers€8,152 EUR to €18,453 EUR

A
Cheapest Retailer
-
€8,152 EUR
$9,107 USD
A
Retailer 2
-
€8,201 EUR
$9,162 USD
View
A
Retailer 3
-
€8,305 EUR
$9,278 USD
View
A
Retailer 4
-
€8,477 EUR
$9,471 USD
View
A
Retailer 5
-
€9,358 EUR
$10,455 USD
View
A
Retailer 6
-
€9,782 EUR
$10,928 USD
View
A
Retailer 7
-
€10,351 EUR
$11,564 USD
View
A
Retailer 8
-
€10,935 EUR
$12,217 USD
View
A
Retailer 9
-
€10,938 EUR
$12,220 USD
View
A
Retailer 10
-
€11,001 EUR
$12,290 USD
View
Final sale: no returns
A
Retailer 11
-
€15,584 EUR
$17,410 USD
View
B+
Retailer 12
-
€16,857 EUR
£14,829 GBP
View
Most Expensive
Yorxs
557461931 · Oct 31
€18,453 EUR
View
12 more retailers have this diamond
Prices start from €8,152 EURSave up to €10,301 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.

A
5.17ct Radiant
€8,152 EUR