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Oval|Lab Grown|IGI

4.08ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG642447165

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG642447165

Diamond specifications and retailer prices

From $1,011 AUD
$710 USD
As of October 31, 2026
Save $5,481 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,492 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.08ct lab-grown oval diamond

This 4.08ct 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 LG642447165 or 642447165. Listed at 15 retailers as of October 29, 2026, with prices from $1,011 to $6,492, a $5,481 spread on the same certified stone. Brilliant Earth lists it at $6,492. 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

4.08
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642447165
Dimensions13.43 × 8.95 × 5.51 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.43 mm8.95 mm4.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642447165
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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 31
Current: $6,492 AUD|Low: $652 AUD|High: $7,488 AUD|Avg: $1,923 AUD|-13.3%
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
Retailer 16
October 31, 2026
Retailer 6$652 AUD
Retailer 14$679 AUD
Retailer 4$730 AUD
Retailer 7$799 AUD
Retailer 15$809 AUD
Retailer 2$1,011 AUD
Retailer 16$1,264 AUD
Retailer 9$1,339 AUD
Retailer 13$1,383 AUD
Retailer 5$1,398 AUD
Retailer 8$2,004 AUD
Retailer 11$2,174 AUD
Retailer 3$2,599 AUD
Retailer 10$2,974 AUD
Retailer 12$3,552 AUD
Brilliant Earth$6,492 AUD

40 data points across 16 retailers

15 retailers$1,011 AUD to $6,492 AUD

Retailer 1
-
$652 AUD
$458 USD
Price last confirmed 38 days ago
Retailer 2
-
$679 AUD
£375 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
$730 AUD
$513 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$799 AUD
$561 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$809 AUD
$568 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,011 AUD
$710 USD
View
B+
Retailer 7
-
$1,264 AUD
$888 USD
View
A
Retailer 8
-
$1,339 AUD
£741 GBP
View
A
Retailer 9
-
$1,398 AUD
$982 USD
View
B+
Retailer 10
-
$2,004 AUD
$1,408 USD
View
B+
Retailer 11
-
$2,174 AUD
$1,527 USD
View
Retailer 12
-
$2,599 AUD
$1,826 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$2,974 AUD
£1,645 GBP
View
Retailer 14
-
$3,552 AUD
$2,495 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
10763436A · Oct 29
$6,492 AUD
$4,560 USD
View
14 more retailers have this diamond
Prices start from $1,011 AUDSave up to $5,481 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
4.08ct Oval
$1,011 AUD