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Round|Lab Grown|IGI

4.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG671405817

Shape and cutting style on the report: Round brilliant

Certificate IGI LG671405817

Diamond specifications and retailer prices

From €1,563 EUR
$1,746 USD
As of October 31, 2026
Save €6,726 EUR (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €8,289 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.06ct lab-grown round diamond

This 4.06ct 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 LG671405817 or 671405817. Listed at 27 retailers as of October 31, 2026, with prices from €1,563 to €8,289, a €6,726 spread on the same certified stone. Brilliant Earth lists it at €8,289. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671405817
Dimensions10.33 × 10.28 × 6.28 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
10.33 mm10.28 mm4.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671405817
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €8,289 EUR|Low: €1,563 EUR|High: €8,289 EUR|Avg: €3,801 EUR
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€1,563 EUR
Retailer 12€1,772 EUR
Retailer 8€1,907 EUR
Retailer 10€2,285 EUR
Retailer 7€2,435 EUR
Retailer 15€2,558 EUR
Retailer 13€2,585 EUR
Retailer 14€3,448 EUR
Retailer 2€3,470 EUR
Retailer 17€3,506 EUR
Retailer 4€4,208 EUR
Retailer 3€4,364 EUR
Retailer 5€4,632 EUR
Retailer 16€4,722 EUR
Retailer 6€5,692 EUR
Retailer 9€5,791 EUR
Brilliant Earth€8,289 EUR

32 data points across 17 retailers

27 retailers€1,563 EUR to €8,289 EUR

Retailer 1
-
€1,465 EUR
$1,637 USD
Price last confirmed 21 days ago
Retailer 2
-
€1,499 EUR
$1,675 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
€1,563 EUR
$1,746 USD
View
Final sale: no returns
Retailer 4
-
€1,631 EUR
$1,822 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€1,699 EUR
$1,898 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€1,699 EUR
$1,898 USD
View
Price last confirmed 19 days ago
Retailer 7
-
€1,715 EUR
$1,916 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
€1,772 EUR
$1,980 USD
View
A
Retailer 9
-
€1,907 EUR
$2,131 USD
View
A
Retailer 10
-
€2,285 EUR
£2,011 GBP
View
A
Retailer 11
-
€2,435 EUR
$2,720 USD
View
A
Retailer 12
-
€2,558 EUR
View
A
Retailer 13
-
€2,585 EUR
$2,888 USD
View
A
Retailer 14
-
€2,930 EUR
$3,273 USD
View
Retailer 15
-
€3,185 EUR
$3,558 USD
View
Price last confirmed 24 days ago
Retailer 16
-
€3,260 EUR
$3,642 USD
View
Price last confirmed 40 days ago
A
Retailer 17
-
€3,448 EUR
ZAR 62,224 ZAR
View
A
Retailer 18
-
€3,470 EUR
A$5,964 AUD
View
A
Retailer 19
-
€3,506 EUR
$3,917 USD
View
A
Retailer 20
-
€4,162 EUR
$4,650 USD
View
A
Retailer 21
-
€4,208 EUR
$4,701 USD
View
A
Retailer 22
-
€4,364 EUR
$4,876 USD
View
A
Retailer 23
-
€4,632 EUR
£4,075 GBP
View
A
Retailer 24
-
€4,722 EUR
$5,276 USD
View
B+
Retailer 25
-
€5,692 EUR
$6,359 USD
View
Retailer 26
-
€5,791 EUR
$6,470 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Brilliant Earth
12894889A · Oct 31
€8,289 EUR
$9,260 USD
View
26 more retailers have this diamond
Prices start from €1,563 EURSave up to €6,726 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
€1,563 EUR