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Oval|Lab Grown|IGI

4.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630572

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630572

Diamond specifications and retailer prices

From $505 USD
As of October 29, 2026
Save $4,515 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,020 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct lab-grown oval 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 LG818630572 or 818630572. Listed at 16 retailers as of October 29, 2026, with prices from $505 to $5,020, a $4,515 spread on the same certified stone. Brilliant Earth lists it at $5,020. 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 angle38.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630572
Dimensions12.54 × 8.91 × 5.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.54 mm8.91 mm4.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630572
Side View
Table 59.0%Crown 38.3°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 29
Current: $5,020 USD|Low: $365 USD|High: $5,370 USD|Avg: $1,578 USD|-5.1%
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 8$469 USD
Retailer 10$505 USD
Retailer 6$700 USD
Retailer 11$750 USD
Retailer 7$890 USD
Retailer 2$925 USD
Retailer 4$1,394 USD
Retailer 9$1,503 USD
Retailer 3$1,829 USD
Retailer 12$1,901 USD
Retailer 5$2,065 USD
Brilliant Earth$5,020 USD

42 data points across 12 retailers

16 retailers$505 USD to $5,020 USD

Retailer 1
-
$457 USD
Price last confirmed 31 days ago
Retailer 2
-
$469 USD
£369 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$505 USD
View
Final sale: no returns
Retailer 4
-
$512 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$559 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$559 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$700 USD
View
B+
Retailer 8
-
$750 USD
View
A
Retailer 9
-
$925 USD
£728 GBP
View
B+
Retailer 10
-
$1,394 USD
View
B+
Retailer 11
-
$1,503 USD
View
Retailer 12
-
$1,822 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$1,829 USD
View
B
Retailer 14
-
$1,901 USD
View
B
Retailer 15
-
$2,065 USD
£1,626 GBP
View
Most Expensive
B
Brilliant Earth
20906828A · Oct 29
$5,020 USD
View
15 more retailers have this diamond
Prices start from $505 USDSave up to $4,515 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
4.06ct Oval
$505 USD