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Round|Lab Grown|IGI

4.08ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG780668579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780668579

Diamond specifications and retailer prices

From €1,648 EUR
$1,841 USD
As of October 31, 2026
Save €6,685 EUR (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €8,333 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown round diamond

This 4.08ct 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 LG780668579 or 780668579. Listed at 27 retailers as of October 31, 2026, with prices from €1,648 to €8,333, a €6,685 spread on the same certified stone. Brilliant Earth lists it at €8,333. 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

4.08
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780668579
Dimensions10.20 × 10.28 × 6.31 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 mm10.28 mm4.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780668579
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: €8,333 EUR|Low: €1,648 EUR|High: €8,584 EUR|Avg: €4,068 EUR|-2.9%
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€1,648 EUR
Retailer 12€1,857 EUR
Retailer 7€1,989 EUR
Retailer 10€2,390 EUR
Retailer 6€2,567 EUR
Retailer 13€2,656 EUR
Retailer 15€2,698 EUR
Retailer 17€3,562 EUR
Retailer 14€3,634 EUR
Retailer 2€3,658 EUR
Retailer 4€4,440 EUR
Retailer 3€4,602 EUR
Retailer 16€4,953 EUR
Retailer 9€5,281 EUR
Retailer 8€5,827 EUR
Retailer 5€5,994 EUR
Brilliant Earth€8,333 EUR

32 data points across 17 retailers

27 retailers€1,648 EUR to €8,333 EUR

Retailer 1
-
€1,575 EUR
$1,760 USD
Price last confirmed 21 days ago
Retailer 2
-
€1,609 EUR
$1,798 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
€1,648 EUR
$1,841 USD
View
Final sale: no returns
Retailer 4
-
€1,752 EUR
$1,957 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€1,827 EUR
$2,041 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€1,827 EUR
$2,041 USD
View
Price last confirmed 19 days ago
Retailer 7
-
€1,841 EUR
$2,057 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
€1,857 EUR
$2,075 USD
View
A
Retailer 9
-
€1,989 EUR
$2,222 USD
View
A
Retailer 10
-
€2,390 EUR
£2,103 GBP
View
A
Retailer 11
-
€2,567 EUR
$2,868 USD
View
A
Retailer 12
-
€2,656 EUR
$2,967 USD
View
A
Retailer 13
-
€2,698 EUR
View
A
Retailer 14
-
€3,074 EUR
$3,434 USD
View
Retailer 15
-
€3,426 EUR
$3,827 USD
View
Price last confirmed 24 days ago
Retailer 16
-
€3,500 EUR
$3,910 USD
View
Price last confirmed 40 days ago
A
Retailer 17
-
€3,562 EUR
$3,979 USD
View
A
Retailer 18
-
€3,634 EUR
ZAR 65,595 ZAR
View
A
Retailer 19
-
€3,658 EUR
A$6,287 AUD
View
A
Retailer 20
-
€4,392 EUR
$4,907 USD
View
A
Retailer 21
-
€4,440 EUR
$4,960 USD
View
A
Retailer 22
-
€4,602 EUR
$5,141 USD
View
A
Retailer 23
-
€4,953 EUR
$5,533 USD
View
Retailer 24
-
€5,281 EUR
£4,646 GBP
View
Price last confirmed 20 days ago
Retailer 25
-
€5,827 EUR
$6,510 USD
View
Price last confirmed 14 days ago
B+
Retailer 26
-
€5,994 EUR
$6,697 USD
View
Most Expensive
B+
Brilliant Earth
18156442A · Oct 31
€8,333 EUR
$9,310 USD
View
26 more retailers have this diamond
Prices start from €1,648 EURSave up to €6,685 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
4.08ct Round
€1,648 EUR