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Round|Lab Grown|IGI

4.06ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG589309988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589309988

Diamond specifications and retailer prices

From €2,622 EUR
$2,929 USD
As of November 1, 2026
Save €16,036 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €18,657 EUR at Mervis Diamond Importers · As of November 2, 2026
View at Mervis Diamond Importers

About this 4.06ct lab-grown round diamond

This 4.06ct 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 LG589309988 or 589309988. Listed at 22 retailers as of November 1, 2026, with prices from €2,622 to €18,657, a €16,036 spread on the same certified stone. Mervis Diamond Importers lists it at €18,657. 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589309988
Dimensions10.18 × 10.21 × 6.31 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
10.18 mm10.21 mm4.06 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589309988
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: €18,657 EUR|Low: €2,517 EUR|High: €18,657 EUR|Avg: €6,447 EUR
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 18
November 2, 2026
Retailer 17€2,622 EUR
Retailer 8€2,853 EUR
Retailer 6€2,936 EUR
Retailer 18€3,042 EUR
Retailer 15€3,043 EUR
Retailer 7€3,131 EUR
Retailer 9€4,194 EUR
Retailer 16€4,370 EUR
Retailer 2€4,447 EUR
Retailer 5€4,728 EUR
Retailer 14€7,143 EUR
Retailer 12€7,218 EUR
Retailer 3€7,667 EUR
Retailer 11€8,509 EUR
Retailer 4€9,497 EUR
Retailer 10€9,667 EUR
Retailer 13€10,741 EUR
Mervis Diamond Importers€18,657 EUR

43 data points across 18 retailers

22 retailers€2,622 EUR to €18,657 EUR

A
Cheapest Retailer
-
€2,622 EUR
$2,929 USD
A
Retailer 2
-
€2,853 EUR
$3,187 USD
View
A
Retailer 3
-
€2,936 EUR
$3,280 USD
View
Final sale: no returns
Retailer 4
-
€3,042 EUR
$3,398 USD
View
Price last confirmed 20 days ago
A
Retailer 5
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€3,042 EUR
$3,398 USD
View
A
Retailer 6
-
€3,043 EUR
$3,400 USD
View
A
Retailer 7
-
€3,131 EUR
$3,498 USD
View
A
Retailer 8
-
€3,404 EUR
$3,803 USD
View
B+
Retailer 9
-
€4,194 EUR
$4,686 USD
View
B+
Retailer 10
-
€4,370 EUR
$4,882 USD
View
B+
Retailer 11
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€4,447 EUR
£3,912 GBP
View
B+
Retailer 12
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€4,728 EUR
$5,282 USD
View
B+
Retailer 13
-
€7,143 EUR
ZAR 128,929 ZAR
View
B+
Retailer 14
-
€7,218 EUR
A$12,406 AUD
View
B
Retailer 15
-
€7,667 EUR
$8,566 USD
View
B+
Retailer 16
-
€8,509 EUR
£7,485 GBP
View
B
Retailer 17
-
€9,497 EUR
$10,610 USD
View
B
Retailer 18
-
€9,667 EUR
$10,800 USD
View
B
Retailer 19
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€10,741 EUR
$12,000 USD
View
B
Retailer 20
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€11,743 EUR
$13,120 USD
View
B
Retailer 21
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€18,036 EUR
$20,150 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409106 · Nov 2
€18,657 EUR
$20,844 USD
View
21 more retailers have this diamond
Prices start from €2,622 EURSave up to €16,036 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 Round
€2,622 EUR