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Round|Lab Grown|IGI

4.09ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG588370474

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588370474

Diamond specifications and retailer prices

From €2,640 EUR
$2,949 USD
As of November 1, 2026
Save €16,293 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €18,933 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round 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 LG588370474 or 588370474. Listed at 22 retailers as of October 31, 2026, with prices from €2,640 to €18,933, a €16,293 spread on the same certified stone. Mervis Diamond Importers lists it at €18,933. 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 angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588370474
Dimensions10.17 × 10.22 × 6.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
10.17 mm10.22 mm4.09 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588370474
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: €18,933 EUR|Low: €2,534 EUR|High: €18,933 EUR|Avg: €6,310 EUR
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 16€2,640 EUR
Retailer 7€2,872 EUR
Retailer 5€2,956 EUR
Retailer 17€3,062 EUR
Retailer 14€3,066 EUR
Retailer 6€3,151 EUR
Retailer 8€4,224 EUR
Retailer 15€4,399 EUR
Retailer 2€4,480 EUR
Retailer 4€4,759 EUR
Retailer 12€7,193 EUR
Retailer 10€7,270 EUR
Retailer 3€7,723 EUR
Retailer 13€8,613 EUR
Retailer 9€9,738 EUR
Retailer 11€10,822 EUR
Mervis Diamond Importers€18,933 EUR

43 data points across 17 retailers

22 retailers€2,640 EUR to €18,933 EUR

A
Cheapest Retailer
-
€2,640 EUR
$2,949 USD
A
Retailer 2
-
€2,872 EUR
$3,209 USD
View
A
Retailer 3
-
€2,956 EUR
$3,303 USD
View
Final sale: no returns
A
Retailer 4
-
€3,062 EUR
$3,421 USD
View
Retailer 5
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€3,062 EUR
$3,421 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€3,066 EUR
$3,425 USD
View
A
Retailer 7
-
€3,151 EUR
$3,520 USD
View
A
Retailer 8
-
€3,450 EUR
$3,854 USD
View
B+
Retailer 9
-
€4,224 EUR
$4,719 USD
View
B+
Retailer 10
-
€4,399 EUR
$4,915 USD
View
B+
Retailer 11
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€4,480 EUR
£3,941 GBP
View
B+
Retailer 12
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€4,759 EUR
$5,317 USD
View
B+
Retailer 13
-
€7,193 EUR
ZAR 129,821 ZAR
View
B+
Retailer 14
-
€7,270 EUR
A$12,496 AUD
View
B
Retailer 15
-
€7,723 EUR
$8,628 USD
View
B+
Retailer 16
-
€8,613 EUR
£7,577 GBP
View
B
Retailer 17
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€9,565 EUR
$10,686 USD
View
B
Retailer 18
-
€9,738 EUR
$10,879 USD
View
B
Retailer 19
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€10,822 EUR
$12,090 USD
View
B
Retailer 20
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€11,831 EUR
$13,217 USD
View
B
Retailer 21
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€18,161 EUR
$20,290 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409104 · Oct 31
€18,933 EUR
$21,152 USD
View
21 more retailers have this diamond
Prices start from €2,640 EURSave up to €16,293 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 Round
€2,640 EUR