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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 $719 AUD
$505 USD
As of October 29, 2026
Save $6,428 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,146 AUD 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 17 retailers as of October 29, 2026, with prices from $719 to $7,146, a $6,428 spread on the same certified stone. Brilliant Earth lists it at $7,146. 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
Colour
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

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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 29
Current: $7,146 AUD|Low: $520 AUD|High: $7,645 AUD|Avg: $2,147 AUD|-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
Retailer 13
October 31, 2026
Retailer 9$668 AUD
Retailer 11$719 AUD
Retailer 5$807 AUD
Retailer 8$997 AUD
Retailer 12$1,068 AUD
Retailer 2$1,242 AUD
Retailer 6$1,306 AUD
Retailer 4$1,984 AUD
Retailer 10$2,140 AUD
Retailer 3$2,604 AUD
Retailer 13$2,707 AUD
Retailer 7$2,940 AUD
Brilliant Earth$7,146 AUD

42 data points across 13 retailers

17 retailers$719 AUD to $7,146 AUD

Retailer 1
-
$651 AUD
$457 USD
Price last confirmed 32 days ago
Retailer 2
-
$668 AUD
£369 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$719 AUD
$505 USD
View
Final sale: no returns
Retailer 4
-
$729 AUD
$512 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$796 AUD
$559 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$796 AUD
$559 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$997 AUD
$700 USD
View
B+
Retailer 8
-
$1,068 AUD
$750 USD
View
A
Retailer 9
-
$1,242 AUD
€831 EUR
View
A
Retailer 10
-
$1,306 AUD
£722 GBP
View
B+
Retailer 11
-
$1,984 AUD
$1,394 USD
View
B+
Retailer 12
-
$2,140 AUD
$1,503 USD
View
Retailer 13
-
$2,594 AUD
$1,822 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$2,604 AUD
$1,829 USD
View
B
Retailer 15
-
$2,707 AUD
$1,901 USD
View
B
Retailer 16
-
$2,940 AUD
£1,626 GBP
View
Most Expensive
B
Brilliant Earth
20906828A · Oct 29
$7,146 AUD
$5,020 USD
View
16 more retailers have this diamond
Prices start from $719 AUDSave up to $6,428 AUD

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
$719 AUD