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Radiant|Lab Grown|IGI

5.25ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818640333

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

Certificate IGI LG818640333

Diamond specifications and retailer prices

From €5,353 EUR
$5,980 USD
As of October 27, 2026
Save €18,313 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €23,665 EUR at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.25ct lab-grown radiant diamond

This 5.25ct 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 LG818640333 or 818640333. Listed at 21 retailers as of October 27, 2026, with prices from €5,353 to €23,665, a €18,313 spread on the same certified stone. With Clarity lists it at €23,665. 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

5.25
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640333
Dimensions12.20 × 8.86 × 5.65 mm
L/W Ratio1.38
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
12.20 mm8.86 mm5.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640333
Side View
Table 60.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 63.8%

Caratlytics Score

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A
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 27
Current: €10,221 EUR|Low: €5,353 EUR|High: €23,665 EUR|Avg: €10,089 EUR|+0.2%
Retailer 1
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Retailer 20
With Clarity
October 31, 2026
Retailer 19€5,353 EUR
Retailer 6€5,610 EUR
Retailer 2€5,689 EUR
Retailer 13€6,191 EUR
Retailer 5€6,203 EUR
Retailer 10€6,209 EUR
Retailer 16€6,427 EUR
Retailer 9€7,371 EUR
Retailer 18€7,512 EUR
Retailer 14€7,778 EUR
Retailer 8€8,839 EUR
Retailer 20€9,146 EUR
Retailer 3€9,583 EUR
Retailer 17€9,600 EUR
Retailer 1€10,221 EUR
Retailer 7€11,750 EUR
Retailer 12€12,614 EUR
Retailer 15€12,702 EUR
Retailer 4€17,274 EUR
Retailer 11€21,678 EUR
With Clarity€23,665 EUR

12 data points across 21 retailers

21 retailers€5,353 EUR to €23,665 EUR

A
Cheapest Retailer
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€5,353 EUR
$5,980 USD
A
Retailer 2
-
€5,610 EUR
$6,267 USD
View
A
Retailer 3
-
€5,689 EUR
$6,356 USD
View
A
Retailer 4
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€6,191 EUR
$6,917 USD
View
Final sale: no returns
A
Retailer 5
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€6,203 EUR
$6,930 USD
View
A
Retailer 6
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€6,209 EUR
$6,937 USD
View
A
Retailer 7
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€6,427 EUR
£5,654 GBP
View
A
Retailer 8
-
€7,371 EUR
$8,235 USD
View
A
Retailer 9
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€7,512 EUR
$8,393 USD
View
A
Retailer 10
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€7,778 EUR
£6,842 GBP
View
A
Retailer 11
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€8,839 EUR
£7,776 GBP
View
A
Retailer 12
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€9,146 EUR
$10,218 USD
View
A
Retailer 13
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€9,583 EUR
$10,706 USD
View
A
Retailer 14
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€9,600 EUR
$10,725 USD
View
A
Retailer 15
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€10,221 EUR
View
A
Retailer 16
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€11,750 EUR
$13,127 USD
View
A
Retailer 17
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€12,614 EUR
ZAR 227,670 ZAR
View
A
Retailer 18
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€12,702 EUR
£11,174 GBP
View
B+
Retailer 19
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€17,274 EUR
$19,299 USD
View
B+
Retailer 20
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€21,678 EUR
$24,219 USD
View
Most Expensive
B+
With Clarity
818640333 · Oct 30
€23,665 EUR
$26,439 USD
View
20 more retailers have this diamond
Prices start from €5,353 EURSave up to €18,313 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
5.25ct Radiant
€5,353 EUR