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Round|Lab Grown|IGI

4.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG758581881

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758581881

Diamond specifications and retailer prices

From €1,574 EUR
$1,758 USD
As of October 31, 2026
Save €6,769 EUR (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €8,342 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758581881 or 758581881. Listed at 27 retailers as of October 31, 2026, with prices from €1,574 to €8,342, a €6,769 spread on the same certified stone. Brilliant Earth lists it at €8,342. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758581881
Dimensions10.20 × 10.27 × 6.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
10.20 mm10.27 mm4.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758581881
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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 31
Current: €8,342 EUR|Low: €1,574 EUR|High: €8,351 EUR|Avg: €3,831 EUR|-0.1%
Brilliant Earth
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 11€1,574 EUR
Retailer 12€1,786 EUR
Retailer 8€1,919 EUR
Retailer 10€2,283 EUR
Retailer 7€2,453 EUR
Retailer 16€2,577 EUR
Retailer 13€2,604 EUR
Retailer 14€3,473 EUR
Retailer 2€3,495 EUR
Retailer 3€3,554 EUR
Retailer 5€4,239 EUR
Retailer 4€4,397 EUR
Retailer 15€4,685 EUR
Retailer 17€4,753 EUR
Retailer 6€5,732 EUR
Retailer 9€5,836 EUR
Brilliant Earth€8,342 EUR

32 data points across 17 retailers

27 retailers€1,574 EUR to €8,342 EUR

Retailer 1
-
€1,475 EUR
$1,648 USD
Price last confirmed 21 days ago
Retailer 2
-
€1,510 EUR
$1,687 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
€1,574 EUR
$1,758 USD
View
Final sale: no returns
Retailer 4
-
€1,642 EUR
$1,835 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€1,711 EUR
$1,912 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€1,711 EUR
$1,912 USD
View
Price last confirmed 19 days ago
Retailer 7
-
€1,728 EUR
$1,930 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
€1,786 EUR
$1,995 USD
View
A
Retailer 9
-
€1,919 EUR
$2,144 USD
View
A
Retailer 10
-
€2,283 EUR
£2,008 GBP
View
A
Retailer 11
-
€2,453 EUR
$2,740 USD
View
A
Retailer 12
-
€2,577 EUR
View
A
Retailer 13
-
€2,604 EUR
$2,909 USD
View
A
Retailer 14
-
€2,951 EUR
$3,297 USD
View
Retailer 15
-
€3,208 EUR
$3,584 USD
View
Price last confirmed 24 days ago
Retailer 16
-
€3,283 EUR
$3,668 USD
View
Price last confirmed 40 days ago
A
Retailer 17
-
€3,473 EUR
ZAR 62,676 ZAR
View
A
Retailer 18
-
€3,495 EUR
A$6,007 AUD
View
A
Retailer 19
-
€3,554 EUR
$3,971 USD
View
A
Retailer 20
-
€4,193 EUR
$4,684 USD
View
A
Retailer 21
-
€4,239 EUR
$4,736 USD
View
A
Retailer 22
-
€4,397 EUR
$4,912 USD
View
A
Retailer 23
-
€4,685 EUR
£4,121 GBP
View
A
Retailer 24
-
€4,753 EUR
$5,310 USD
View
B+
Retailer 25
-
€5,732 EUR
$6,404 USD
View
Retailer 26
-
€5,836 EUR
$6,520 USD
View
Price last confirmed 14 days ago
Most Expensive
B+
Brilliant Earth
17110995A · Oct 31
€8,342 EUR
$9,320 USD
View
26 more retailers have this diamond
Prices start from €1,574 EURSave up to €6,769 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
€1,574 EUR