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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 $418 USD
As of October 26, 2026
Save $4,152 USD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,570 USD 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 $418 to $4,570, a $4,152 spread on the same certified stone. Brilliant Earth lists it at $4,570. 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
Color
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: $4,570 USD|Low: $402 USD|High: $4,710 USD|Avg: $1,353 USD|-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$418 USD
Retailer 4$468 USD
Retailer 8$469 USD
Retailer 9$519 USD
Retailer 11$563 USD
Retailer 2$783 USD
Retailer 17$819 USD
Retailer 13$847 USD
Retailer 7$854 USD
Retailer 10$1,195 USD
Retailer 16$1,246 USD
Retailer 5$1,355 USD
Retailer 12$1,628 USD
Retailer 6$1,668 USD
Retailer 14$1,909 USD
Retailer 15$2,365 USD
Brilliant Earth$4,570 USD

42 data points across 17 retailers

17 retailers$418 USD to $4,570 USD

A
Cheapest Retailer
-
$418 USD
A
Retailer 2
-
$468 USD
View
Final sale: no returns
A
Retailer 3
-
$469 USD
View
A
Retailer 4
-
$519 USD
View
A
Retailer 5
-
$563 USD
HK$4,400 HKD
View
A
Retailer 6
-
$783 USD
€746 EUR
View
B+
Retailer 7
-
$819 USD
View
A
Retailer 8
-
$847 USD
£667 GBP
View
A
Retailer 9
-
$854 USD
View
B+
Retailer 10
-
$1,195 USD
A$1,838 AUD
View
B+
Retailer 11
-
$1,246 USD
View
B+
Retailer 12
-
$1,355 USD
View
B+
Retailer 13
-
$1,628 USD
SGD 2,200 SGD
View
B+
Retailer 14
-
$1,668 USD
View
B+
Retailer 15
-
$1,909 USD
£1,503 GBP
View
B
Retailer 16
-
$2,365 USD
View
Most Expensive
B
Brilliant Earth
20541259A · Oct 29
$4,570 USD
View
16 more retailers have this diamond
Prices start from $418 USDSave up to $4,152 USD

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
$418 USD