Radiant|Lab Grown|IGI

4.06ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800663005

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

Certificate IGI LG800663005

Diamond specifications and retailer prices

From €4,599 EUR
$5,138 USD
As of October 30, 2026
Save €22,353 EUR (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €26,952 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.06ct lab-grown radiant diamond

This 4.06ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800663005 or 800663005. Listed at 25 retailers as of October 30, 2026, with prices from €4,599 to €26,952, a €22,353 spread on the same certified stone. With Clarity lists it at €26,952. 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

4.06
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663005
Dimensions11.39 × 8.03 × 5.25 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm8.03 mm4.06 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663005
Side View
Table 67.0%Crown 43°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 65.4%

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 30
Current: €8,325 EUR|Low: €4,415 EUR|High: €26,474 EUR|Avg: €9,772 EUR|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
With Clarity
October 31, 2026
Retailer 21€4,599 EUR
Retailer 19€4,609 EUR
Retailer 9€5,016 EUR
Retailer 3€5,336 EUR
Retailer 5€5,336 EUR
Retailer 8€5,353 EUR
Retailer 7€5,473 EUR
Retailer 10€5,477 EUR
Retailer 12€6,085 EUR
Retailer 4€6,334 EUR
Retailer 16€6,831 EUR
Retailer 6€7,557 EUR
Retailer 1€8,325 EUR
Retailer 22€8,994 EUR
Retailer 18€10,915 EUR
Retailer 17€11,355 EUR
Retailer 20€11,868 EUR
Retailer 11€13,687 EUR
Retailer 13€14,318 EUR
Retailer 14€14,835 EUR
Retailer 15€19,109 EUR
Retailer 2€19,128 EUR
With Clarity€26,474 EUR

40 data points across 23 retailers

25 retailers€4,599 EUR to €26,952 EUR

A
Cheapest Retailer
-
€4,599 EUR
$5,138 USD
A
Retailer 2
-
€4,609 EUR
$5,149 USD
View
A
Retailer 3
-
€4,820 EUR
$5,385 USD
View
A
Retailer 4
-
€5,016 EUR
CA$7,783 CAD
View
A
Retailer 5
-
€5,336 EUR
$5,961 USD
View
Retailer 6
-
€5,336 EUR
$5,961 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
€5,353 EUR
$5,980 USD
View
A
Retailer 8
-
€5,473 EUR
$6,115 USD
View
A
Retailer 9
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€5,477 EUR
$6,119 USD
View
B+
Retailer 10
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€6,085 EUR
$6,798 USD
View
Final sale: no returns
B+
Retailer 11
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€6,334 EUR
$7,076 USD
View
B+
Retailer 12
-
€6,831 EUR
£6,009 GBP
View
B+
Retailer 13
-
€7,557 EUR
£6,648 GBP
View
B+
Retailer 14
-
€8,325 EUR
View
B+
Retailer 15
-
€8,994 EUR
$10,048 USD
View
B+
Retailer 16
-
€10,915 EUR
£9,602 GBP
View
B+
Retailer 17
-
€11,355 EUR
ZAR 204,947 ZAR
View
B
Retailer 18
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€11,868 EUR
$13,259 USD
View
B
Retailer 19
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€13,687 EUR
$15,292 USD
View
B
Retailer 20
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€14,318 EUR
$15,996 USD
View
B
Retailer 21
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€14,835 EUR
$16,574 USD
View
B
Retailer 22
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€17,284 EUR
$19,310 USD
View
B
Retailer 23
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€19,109 EUR
$21,348 USD
View
B
Retailer 24
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€19,128 EUR
$21,370 USD
View
Most Expensive
B
With Clarity
800663005 · Oct 31
€26,952 EUR
$30,111 USD
View
24 more retailers have this diamond
Prices start from €4,599 EURSave up to €22,353 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
4.06ct Radiant
€4,599 EUR