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Radiant|Lab Grown|IGI

4.06ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG817680753

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817680753

Diamond specifications and retailer prices

From $1,326 CAD
€902 EUR
As of October 23, 2026
Save $7,254 CAD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,580 CAD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.06ct lab-grown radiant diamond

This 4.06ct lab-grown radiant 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 LG817680753 or 817680753. Listed at 14 retailers as of October 23, 2026, with prices from $1,326 to $8,580, a $7,254 spread on the same certified stone. Brilliant Earth lists it at $8,580. 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

4.06
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.2°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817680753
Dimensions11.40 × 7.85 × 5.10 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm7.85 mm4.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817680753
Side View
Table 58.0%Crown 27.2°Girdle: ThickPavilion 33.9°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $8,580 CAD|Low: $537 CAD|High: $8,845 CAD|Avg: $2,182 CAD|-3.0%
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 23, 2026
Retailer 7$640 CAD
Retailer 10$666 CAD
Retailer 14$717 CAD
Retailer 6$794 CAD
Retailer 13$794 CAD
Retailer 15$1,064 CAD
Retailer 11$1,197 CAD
Retailer 8$1,304 CAD
Retailer 2$1,326 CAD
Retailer 5$1,954 CAD
Retailer 12$2,132 CAD
Retailer 4$2,593 CAD
Retailer 3$2,687 CAD
Retailer 9$2,929 CAD
Brilliant Earth$8,580 CAD

35 data points across 15 retailers

14 retailers$1,326 CAD to $8,580 CAD

Retailer 1
-
$640 CAD
$457 USD
Price last confirmed 10 days ago
Retailer 2
-
$666 CAD
£374 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
$794 CAD
$567 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$794 CAD
$567 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$1,064 CAD
$760 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,197 CAD
$855 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,304 CAD
£734 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
$1,326 CAD
€902 EUR
View
Retailer 9
-
$1,954 CAD
$1,396 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$2,132 CAD
$1,523 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$2,593 CAD
$1,853 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$2,687 CAD
$1,920 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$2,929 CAD
£1,648 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20907183A · Oct 26
$8,580 CAD
$6,130 USD
View
13 more retailers have this diamond
Prices start from $1,326 CADSave up to $7,254 CAD

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
4.06ct Radiant
$1,326 CAD