Radiant|Lab Grown|IGI

4.09ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG706517805

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

Certificate IGI LG706517805

Diamond specifications and retailer prices

From €1,840 EUR
$2,056 USD
As of November 1, 2026
Save €5,833 EUR (76%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €7,673 EUR at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 4.09ct lab-grown radiant diamond

This 4.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG706517805 or 706517805. Listed at 27 retailers as of October 31, 2026, with prices from €1,840 to €7,673, a €5,833 spread on the same certified stone. Novita Diamonds lists it at €7,673. 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

4.09
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706517805
Dimensions11.26 × 7.78 × 5.30 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm7.78 mm4.09 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706517805
Side View
Table 66.0%Crown 43°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 68.1%

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: Nov 1
Current: €7,673 EUR|Low: €1,625 EUR|High: €11,484 EUR|Avg: €4,398 EUR|+0.3%
Novita 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
November 2, 2026
Retailer 15€1,692 EUR
Retailer 6€1,895 EUR
Retailer 4€1,963 EUR
Retailer 2€2,701 EUR
Retailer 13€2,830 EUR
Retailer 11€2,858 EUR
Retailer 10€2,983 EUR
Retailer 7€4,092 EUR
Retailer 9€4,204 EUR
Retailer 3€5,106 EUR
Retailer 8€5,605 EUR
Retailer 14€5,805 EUR
Retailer 5€6,612 EUR
Retailer 12€7,572 EUR
Novita Diamonds€7,673 EUR

43 data points across 15 retailers

27 retailers€1,840 EUR to €7,673 EUR

Retailer 1
-
€1,692 EUR
$1,890 USD
Price last confirmed 24 days ago
Retailer 2
-
€1,840 EUR
$2,056 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
€1,840 EUR
$2,056 USD
View
Retailer 4
-
€1,840 EUR
$2,056 USD
View
Price last confirmed 18 days ago
Retailer 5
-
€1,840 EUR
$2,056 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€1,895 EUR
$2,117 USD
View
Final sale: no returns
Retailer 7
-
€1,963 EUR
$2,193 USD
View
Price last confirmed 30 days ago
Retailer 8
-
€1,963 EUR
$2,193 USD
View
Price last confirmed 15 days ago
Retailer 9
-
€1,963 EUR
$2,193 USD
View
Price last confirmed 18 days ago
A
Retailer 10
-
€2,701 EUR
£2,376 GBP
View
A
Retailer 11
-
€2,830 EUR
$3,162 USD
View
A
Retailer 12
-
€2,858 EUR
$3,193 USD
View
A
Retailer 13
-
€2,983 EUR
View
Retailer 14
-
€3,679 EUR
$4,110 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
€3,986 EUR
$4,453 USD
View
B+
Retailer 16
-
€4,092 EUR
£3,600 GBP
View
B+
Retailer 17
-
€4,204 EUR
A$7,226 AUD
View
B+
Retailer 18
-
€4,905 EUR
$5,480 USD
View
B+
Retailer 19
-
€5,106 EUR
$5,705 USD
View
B+
Retailer 20
-
€5,337 EUR
$5,963 USD
View
B+
Retailer 21
-
€5,605 EUR
£4,931 GBP
View
B
Retailer 22
-
€5,805 EUR
$6,485 USD
View
B
Retailer 23
-
€6,612 EUR
SGD 9,982 SGD
View
Retailer 24
-
€6,798 EUR
£5,980 GBP
View
Price last confirmed 22 days ago
B
Retailer 25
-
€6,937 EUR
$7,750 USD
View
B
Retailer 26
-
€7,572 EUR
$8,460 USD
View
Most Expensive
B
Novita Diamonds
cert_706517805 · Oct 31
€7,673 EUR
A$13,189 AUD
View
26 more retailers have this diamond
Prices start from €1,840 EURSave up to €5,833 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
4.09ct Radiant
€1,840 EUR