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Round|Lab Grown|IGI

4.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG671467303

Shape and cutting style on the report: Round brilliant

Certificate IGI LG671467303

Diamond specifications and retailer prices

From €707 EUR
$790 USD
As of October 31, 2026
Save €2,730 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,437 EUR at Brilliant Earth · As of October 31, 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 LG671467303 or 671467303. Listed at 15 retailers as of October 31, 2026, with prices from €707 to €3,437, a €2,730 spread on the same certified stone. Brilliant Earth lists it at €3,437. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671467303
Dimensions10.18 × 10.15 × 6.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.15 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671467303
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 31
Current: €3,437 EUR|Low: €500 EUR|High: €3,858 EUR|Avg: €1,305 EUR|-10.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4€500 EUR
Retailer 3€649 EUR
Retailer 5€707 EUR
Retailer 6€812 EUR
Retailer 2€908 EUR
Retailer 12€909 EUR
Retailer 10€940 EUR
Retailer 11€1,114 EUR
Retailer 8€1,515 EUR
Retailer 9€2,036 EUR
Retailer 7€2,465 EUR
Brilliant Earth€3,437 EUR

35 data points across 12 retailers

15 retailers€707 EUR to €3,437 EUR

Retailer 1
-
€404 EUR
$451 USD
Price last confirmed 39 days ago
Retailer 2
-
€452 EUR
$505 USD
View
Price last confirmed 39 days ago
Retailer 3
-
€494 EUR
$552 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€649 EUR
£571 GBP
View
Price last confirmed 24 days ago
A
Retailer 5
-
€707 EUR
$790 USD
View
A
Retailer 6
-
€812 EUR
View
B+
Retailer 7
-
€908 EUR
£799 GBP
View
B+
Retailer 8
-
€909 EUR
$1,015 USD
View
B+
Retailer 9
-
€940 EUR
$1,050 USD
View
B+
Retailer 10
-
€1,114 EUR
$1,245 USD
View
B+
Retailer 11
-
€1,515 EUR
$1,693 USD
View
Retailer 12
-
€1,608 EUR
$1,797 USD
View
Price last confirmed 36 days ago
Retailer 13
-
€2,036 EUR
$2,275 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
€2,465 EUR
£2,168 GBP
View
Most Expensive
B
Brilliant Earth
12676925A · Oct 31
€3,437 EUR
$3,840 USD
View
14 more retailers have this diamond
Prices start from €707 EURSave up to €2,730 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
4.01ct Round
€707 EUR