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Round|Lab Grown|IGI

3.86ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG814638026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814638026

Diamond specifications and retailer prices

From €376 EUR
$418 USD
As of October 26, 2026
Save €3,730 EUR (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,106 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.86ct lab-grown round diamond

This 3.86ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814638026 or 814638026. Listed at 17 retailers as of October 26, 2026, with prices from €376 to €4,106, a €3,730 spread on the same certified stone. Brilliant Earth lists it at €4,106. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.86
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814638026
Dimensions10.07 × 9.99 × 6.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm9.99 mm3.86 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814638026
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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: Oct 26
Current: €4,106 EUR|Low: €361 EUR|High: €4,232 EUR|Avg: €1,216 EUR|-3.0%
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
October 29, 2026
Retailer 3€376 EUR
Retailer 4€420 EUR
Retailer 8€421 EUR
Retailer 9€466 EUR
Retailer 11€506 EUR
Retailer 2€704 EUR
Retailer 17€736 EUR
Retailer 13€761 EUR
Retailer 7€767 EUR
Retailer 10€1,073 EUR
Retailer 16€1,119 EUR
Retailer 5€1,217 EUR
Retailer 12€1,463 EUR
Retailer 6€1,499 EUR
Retailer 14€1,715 EUR
Retailer 15€2,125 EUR
Brilliant Earth€4,106 EUR

42 data points across 17 retailers

17 retailers€376 EUR to €4,106 EUR

A
Cheapest Retailer
-
€376 EUR
$418 USD
A
Retailer 2
-
€420 EUR
$468 USD
View
Final sale: no returns
A
Retailer 3
-
€421 EUR
$469 USD
View
A
Retailer 4
-
€466 EUR
$519 USD
View
A
Retailer 5
-
€506 EUR
HK$4,400 HKD
View
A
Retailer 6
-
€704 EUR
View
B+
Retailer 7
-
€736 EUR
$819 USD
View
A
Retailer 8
-
€761 EUR
£667 GBP
View
A
Retailer 9
-
€767 EUR
$854 USD
View
B+
Retailer 10
-
€1,073 EUR
A$1,838 AUD
View
B+
Retailer 11
-
€1,119 EUR
$1,246 USD
View
B+
Retailer 12
-
€1,217 EUR
$1,355 USD
View
B+
Retailer 13
-
€1,463 EUR
SGD 2,200 SGD
View
B+
Retailer 14
-
€1,499 EUR
$1,668 USD
View
B+
Retailer 15
-
€1,715 EUR
£1,503 GBP
View
B
Retailer 16
-
€2,125 EUR
$2,365 USD
View
Most Expensive
B
Brilliant Earth
20541259A · Oct 29
€4,106 EUR
$4,570 USD
View
16 more retailers have this diamond
Prices start from €376 EURSave up to €3,730 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
3.86ct Round
€376 EUR