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Radiant|Lab Grown|IGI

4.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804660800

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

Certificate IGI LG804660800

Diamond specifications and retailer prices

From €11,135 EUR
£9,796 GBP
As of November 1, 2026
Save €17,322 EUR (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €28,457 EUR at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

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 LG804660800 or 804660800. Listed at 20 retailers as of October 29, 2026, with prices from €11,135 to €28,457, a €17,322 spread on the same certified stone. Cape Diamonds lists it at €28,457. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle28.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660800
Dimensions10.74 × 7.86 × 4.98 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm7.86 mm4.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660800
Side View
Table 62.0%Crown 42°Girdle: Slightly ThickPavilion 28.8°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €28,457 EUR|Low: €11,064 EUR|High: €53,493 EUR|Avg: €20,334 EUR|+1.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 2€11,135 EUR
Retailer 8€11,416 EUR
Retailer 19€11,525 EUR
Retailer 7€12,271 EUR
Retailer 15€12,345 EUR
Retailer 5€12,529 EUR
Retailer 3€12,907 EUR
Retailer 4€13,369 EUR
Retailer 6€13,369 EUR
Retailer 16€13,970 EUR
Retailer 13€15,647 EUR
Retailer 9€19,152 EUR
Retailer 14€19,673 EUR
Retailer 18€24,158 EUR
Retailer 12€24,818 EUR
Cape Diamonds€28,457 EUR
Retailer 17€37,263 EUR
Retailer 11€37,884 EUR
Retailer 10€47,153 EUR

41 data points across 19 retailers

20 retailers€11,135 EUR to €28,457 EUR

B+
Cheapest Retailer
-
€11,135 EUR
£9,796 GBP
B+
Retailer 2
-
€11,416 EUR
$12,754 USD
View
B+
Retailer 3
-
€11,525 EUR
$12,876 USD
View
B+
Retailer 4
-
€11,802 EUR
$13,185 USD
View
B+
Retailer 5
-
€12,271 EUR
$13,709 USD
View
B+
Retailer 6
-
€12,345 EUR
$13,792 USD
View
B+
Retailer 7
-
€12,529 EUR
$13,998 USD
View
B
Retailer 8
-
€12,907 EUR
$14,420 USD
View
Final sale: no returns
B
Retailer 9
-
€13,369 EUR
$14,936 USD
View
Retailer 10
-
€13,369 EUR
$14,936 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
€13,970 EUR
$15,607 USD
View
B+
Retailer 12
-
€15,647 EUR
£13,765 GBP
View
B
Retailer 13
-
€19,152 EUR
£16,848 GBP
View
B
Retailer 14
-
€19,673 EUR
£17,306 GBP
View
B
Retailer 15
-
€24,158 EUR
$26,989 USD
View
B
Retailer 16
-
€24,818 EUR
View
Most Expensive
B
Cape Diamonds
cert_804660800 · Oct 29
€28,457 EUR
ZAR 513,607 ZAR
View
16 more retailers have this diamond
Prices start from €11,135 EURSave up to €17,322 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.

B+
4.06ct Radiant
€11,135 EUR