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Oval|Lab Grown|IGI

3.86ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG611398582

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG611398582

Diamond specifications and retailer prices

From $435 USD
As of October 27, 2026
Save $5,945 USD (93%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,380 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.86ct lab-grown oval diamond

This 3.86ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG611398582 or 611398582. Listed at 14 retailers as of October 27, 2026, with prices from $435 to $6,380, a $5,945 spread on the same certified stone. Brilliant Earth lists it at $6,380. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611398582
Dimensions12.94 × 8.95 × 5.44 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Top View
12.94 mm8.95 mm3.86 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611398582
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $6,380 USD|Low: $418 USD|High: $6,380 USD|Avg: $1,256 USD
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
October 29, 2026
Retailer 4$435 USD
Retailer 9$487 USD
Retailer 13$539 USD
Retailer 14$539 USD
Retailer 12$664 USD
Retailer 15$815 USD
Retailer 5$848 USD
Retailer 2$890 USD
Retailer 11$922 USD
Retailer 6$947 USD
Retailer 10$1,513 USD
Retailer 7$1,589 USD
Retailer 3$1,734 USD
Retailer 8$1,984 USD
Brilliant Earth$6,380 USD

36 data points across 15 retailers

14 retailers$435 USD to $6,380 USD

A
Cheapest Retailer
-
$435 USD
A
Retailer 2
-
$487 USD
View
A
Retailer 3
-
$539 USD
View
A
Retailer 4
-
$539 USD
View
A
Retailer 5
-
$664 USD
£523 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$815 USD
View
B+
Retailer 7
-
$848 USD
View
A
Retailer 8
-
$890 USD
£701 GBP
View
A
Retailer 9
-
$947 USD
View
B+
Retailer 10
-
$1,513 USD
View
B+
Retailer 11
-
$1,589 USD
View
B+
Retailer 12
-
$1,734 USD
View
B+
Retailer 13
-
$1,984 USD
£1,562 GBP
View
Most Expensive
B
Brilliant Earth
8779104A · Oct 29
$6,380 USD
View
13 more retailers have this diamond
Prices start from $435 USDSave up to $5,945 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 Oval
$435 USD