Round|Lab Grown|IGI

4.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG836664865

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836664865

Diamond specifications and retailer prices

From $715 USD
£563 GBP
As of November 2, 2026
Save $3,125 USD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,840 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.01ct lab-grown round diamond

This 4.01ct lab-grown round 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 LG836664865 or 836664865. Listed at 6 retailers as of November 1, 2026, with prices from $715 to $3,840, a $3,125 spread on the same certified stone. Brilliant Earth lists it at $3,840. 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

4.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836664865
Dimensions10.17 × 10.20 × 6.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.17 mm10.20 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836664865
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

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: Nov 2
Current: $3,840 USD|Low: $715 USD|High: $3,840 USD|Avg: $1,731 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$715 USD
Retailer 6$877 USD
Retailer 4$922 USD
Retailer 3$1,218 USD
Retailer 5$2,054 USD
Brilliant Earth$3,840 USD

2 data points across 6 retailers

6 retailers$715 USD to $3,840 USD

A
Cheapest Retailer
-
$715 USD
£563 GBP
B+
Retailer 2
-
$877 USD
View
A
Retailer 3
-
$922 USD
£726 GBP
View
B+
Retailer 4
-
$1,218 USD
View
B
Retailer 5
-
$2,054 USD
£1,617 GBP
View
Most Expensive
B
Brilliant Earth
22392793A · Nov 1
$3,840 USD
View
5 more retailers have this diamond
Prices start from $715 USDSave up to $3,125 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
4.01ct Round
$715 USD