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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 $1,402 NZD
$790 USD
As of October 31, 2026
Save $5,412 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,813 NZD 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 $1,402 to $6,813, a $5,412 spread on the same certified stone. Brilliant Earth lists it at $6,813. 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

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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 31
Current: $6,813 NZD|Low: $992 NZD|High: $7,647 NZD|Avg: $2,587 NZD|-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$992 NZD
Retailer 3$1,286 NZD
Retailer 5$1,402 NZD
Retailer 6$1,610 NZD
Retailer 2$1,800 NZD
Retailer 12$1,801 NZD
Retailer 10$1,863 NZD
Retailer 11$2,209 NZD
Retailer 8$3,004 NZD
Retailer 9$4,037 NZD
Retailer 7$4,885 NZD
Brilliant Earth$6,813 NZD

36 data points across 12 retailers

15 retailers$1,402 NZD to $6,813 NZD

Retailer 1
-
$800 NZD
$451 USD
Price last confirmed 39 days ago
Retailer 2
-
$896 NZD
$505 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$979 NZD
$552 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$1,286 NZD
£571 GBP
View
Price last confirmed 24 days ago
A
Retailer 5
-
$1,402 NZD
$790 USD
View
A
Retailer 6
-
$1,610 NZD
€864 EUR
View
B+
Retailer 7
-
$1,800 NZD
£799 GBP
View
B+
Retailer 8
-
$1,801 NZD
$1,015 USD
View
B+
Retailer 9
-
$1,863 NZD
$1,050 USD
View
B+
Retailer 10
-
$2,209 NZD
$1,245 USD
View
B+
Retailer 11
-
$3,004 NZD
$1,693 USD
View
Retailer 12
-
$3,188 NZD
$1,797 USD
View
Price last confirmed 35 days ago
Retailer 13
-
$4,037 NZD
$2,275 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$4,885 NZD
£2,168 GBP
View
Most Expensive
B
Brilliant Earth
12676925A · Oct 31
$6,813 NZD
$3,840 USD
View
14 more retailers have this diamond
Prices start from $1,402 NZDSave up to $5,412 NZD

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
$1,402 NZD