Round|Lab Grown|IGI

4.09ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790611940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790611940

Diamond specifications and retailer prices

From €2,817 EUR
$3,147 USD
As of October 29, 2026
Save €11,075 EUR (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €13,892 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611940 or 790611940. Listed at 23 retailers as of October 29, 2026, with prices from €2,817 to €13,892, a €11,075 spread on the same certified stone. Brilliant Earth lists it at €13,892. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611940
Dimensions10.30 × 10.38 × 6.33 mm
L/W Ratio1.01
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
10.30 mm10.38 mm4.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611940
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.1%

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: Oct 29
Current: €13,892 EUR|Low: €2,704 EUR|High: €16,291 EUR|Avg: €5,562 EUR|-14.7%
Brilliant Earth
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17€2,817 EUR
Retailer 7€3,064 EUR
Retailer 9€3,154 EUR
Retailer 6€3,221 EUR
Retailer 3€3,267 EUR
Retailer 10€3,267 EUR
Retailer 14€3,267 EUR
Retailer 8€4,083 EUR
Retailer 2€4,320 EUR
Retailer 16€4,598 EUR
Retailer 4€5,073 EUR
Retailer 11€5,201 EUR
Retailer 15€6,458 EUR
Retailer 12€6,952 EUR
Retailer 18€8,150 EUR
Retailer 13€8,326 EUR
Retailer 5€10,995 EUR
Brilliant Earth€13,892 EUR

44 data points across 18 retailers

23 retailers€2,817 EUR to €13,892 EUR

A
Cheapest Retailer
-
€2,817 EUR
$3,147 USD
A
Retailer 2
-
€3,064 EUR
$3,423 USD
View
A
Retailer 3
-
€3,154 EUR
$3,524 USD
View
Final sale: no returns
A
Retailer 4
-
€3,221 EUR
$3,599 USD
View
A
Retailer 5
-
€3,267 EUR
$3,650 USD
View
Retailer 6
-
€3,267 EUR
$3,650 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€3,267 EUR
$3,650 USD
View
A
Retailer 8
-
€3,804 EUR
HK$33,200 HKD
View
A
Retailer 9
-
€4,022 EUR
$4,493 USD
View
A
Retailer 10
-
€4,083 EUR
$4,561 USD
View
A
Retailer 11
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€4,320 EUR
£3,801 GBP
View
A
Retailer 12
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€4,598 EUR
$5,137 USD
View
A
Retailer 13
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€5,073 EUR
$5,668 USD
View
A
Retailer 14
-
€5,201 EUR
View
Retailer 15
-
€6,458 EUR
$7,215 USD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
€6,952 EUR
ZAR 125,482 ZAR
View
B+
Retailer 17
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€7,841 EUR
$8,760 USD
View
B+
Retailer 18
-
€8,150 EUR
$9,105 USD
View
B+
Retailer 19
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€8,326 EUR
£7,324 GBP
View
B+
Retailer 20
-
€9,061 EUR
$10,123 USD
View
B
Retailer 21
-
€10,995 EUR
SGD 16,600 SGD
View
B
Retailer 22
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€11,406 EUR
$12,743 USD
View
Most Expensive
B
Brilliant Earth
19074416A · Oct 31
€13,892 EUR
$15,520 USD
View
22 more retailers have this diamond
Prices start from €2,817 EURSave up to €11,075 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
€2,817 EUR