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Round|Lab Grown|IGI

4.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG582385494

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582385494

Diamond specifications and retailer prices

From €2,615 EUR
$2,922 USD
As of November 1, 2026
Save €15,951 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €18,566 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.05ct lab-grown round diamond

This 4.05ct 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 LG582385494 or 582385494. Listed at 22 retailers as of October 31, 2026, with prices from €2,615 to €18,566, a €15,951 spread on the same certified stone. Mervis Diamond Importers lists it at €18,566. 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

4.05
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582385494
Dimensions10.15 × 10.20 × 6.34 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
10.15 mm10.20 mm4.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582385494
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.3%

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: €18,566 EUR|Low: €2,511 EUR|High: €18,566 EUR|Avg: €6,364 EUR
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 17€2,615 EUR
Retailer 8€2,845 EUR
Retailer 6€2,930 EUR
Retailer 15€3,034 EUR
Retailer 18€3,034 EUR
Retailer 7€3,124 EUR
Retailer 9€4,185 EUR
Retailer 16€4,359 EUR
Retailer 2€4,436 EUR
Retailer 4€4,718 EUR
Retailer 14€7,127 EUR
Retailer 12€7,200 EUR
Retailer 3€7,649 EUR
Retailer 11€8,488 EUR
Retailer 5€9,474 EUR
Retailer 10€9,643 EUR
Retailer 13€10,714 EUR
Mervis Diamond Importers€18,566 EUR

42 data points across 18 retailers

22 retailers€2,615 EUR to €18,566 EUR

A
Cheapest Retailer
-
€2,615 EUR
$2,922 USD
A
Retailer 2
-
€2,845 EUR
$3,179 USD
View
A
Retailer 3
-
€2,930 EUR
$3,273 USD
View
Final sale: no returns
A
Retailer 4
-
€3,034 EUR
$3,390 USD
View
A
Retailer 5
-
€3,034 EUR
$3,390 USD
View
Retailer 6
-
€3,034 EUR
$3,390 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
€3,124 EUR
$3,490 USD
View
A
Retailer 8
-
€3,388 EUR
$3,785 USD
View
B+
Retailer 9
-
€4,185 EUR
$4,675 USD
View
B+
Retailer 10
-
€4,359 EUR
$4,870 USD
View
B+
Retailer 11
-
€4,436 EUR
£3,902 GBP
View
B+
Retailer 12
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€4,718 EUR
$5,271 USD
View
B+
Retailer 13
-
€7,127 EUR
ZAR 128,633 ZAR
View
B+
Retailer 14
-
€7,200 EUR
A$12,375 AUD
View
B
Retailer 15
-
€7,649 EUR
$8,545 USD
View
B+
Retailer 16
-
€8,488 EUR
£7,467 GBP
View
B
Retailer 17
-
€9,474 EUR
$10,585 USD
View
B
Retailer 18
-
€9,643 EUR
$10,773 USD
View
B
Retailer 19
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€10,714 EUR
$11,970 USD
View
B
Retailer 20
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€11,714 EUR
$13,087 USD
View
B
Retailer 21
-
€17,991 EUR
$20,100 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409107 · Oct 31
€18,566 EUR
$20,742 USD
View
21 more retailers have this diamond
Prices start from €2,615 EURSave up to €15,951 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
4.05ct Round
€2,615 EUR