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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 $907 USD
€864 EUR
As of October 29, 2026
Save $2,933 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,840 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $907 to $3,840, a $2,933 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 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 29
Current: $3,840 USD|Low: $559 USD|High: $4,310 USD|Avg: $1,489 USD|-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
October 30, 2026
Retailer 4$559 USD
Retailer 3$725 USD
Retailer 5$907 USD
Retailer 9$925 USD
Retailer 2$1,015 USD
Retailer 12$1,015 USD
Retailer 10$1,050 USD
Retailer 11$1,245 USD
Retailer 7$1,693 USD
Retailer 8$2,275 USD
Retailer 6$2,753 USD
Brilliant Earth$3,840 USD

35 data points across 12 retailers

15 retailers$907 USD to $3,840 USD

Retailer 1
-
$451 USD
Price last confirmed 37 days ago
Retailer 2
-
$505 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$552 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$725 USD
£571 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
$907 USD
€864 EUR
View
B+
Retailer 6
-
$925 USD
View
A
Retailer 7
-
$1,015 USD
£799 GBP
View
B+
Retailer 8
-
$1,015 USD
View
B+
Retailer 9
-
$1,050 USD
View
B+
Retailer 10
-
$1,245 USD
View
B+
Retailer 11
-
$1,693 USD
View
Retailer 12
-
$1,797 USD
View
Price last confirmed 34 days ago
Retailer 13
-
$2,275 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$2,753 USD
£2,168 GBP
View
Most Expensive
B
Brilliant Earth
12676925A · Oct 29
$3,840 USD
View
14 more retailers have this diamond
Prices start from $907 USDSave up to $2,933 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
$907 USD