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Oval|Lab Grown|IGI

10.35ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG584362023

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG584362023

Diamond specifications and retailer prices

From $4,174 AUD
£2,309 GBP
As of October 27, 2026
Save $20,539 AUD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $24,714 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.35ct lab-grown oval diamond

This 10.35ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG584362023 or 584362023. Listed at 7 retailers as of October 27, 2026, with prices from $4,174 to $24,714, a $20,539 spread on the same certified stone. Brilliant Earth lists it at $24,714. 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

10.35
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG584362023
Dimensions18.02 × 12.15 × 7.61 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.02 mm12.15 mm10.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG584362023
Side View
Table 61.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

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 27
Current: $25,482 AUD|Low: $4,174 AUD|High: $25,482 AUD|Avg: $10,357 AUD
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 6$4,174 AUD
Retailer 7$4,235 AUD
Retailer 3$4,337 AUD
Retailer 12$4,988 AUD
Retailer 11$5,721 AUD
Retailer 2$7,475 AUD
Retailer 5$7,873 AUD
Retailer 8$9,614 AUD
Retailer 10$10,387 AUD
Retailer 9$14,263 AUD
Retailer 4$21,009 AUD
Brilliant Earth$25,482 AUD

8 data points across 12 retailers

7 retailers$4,174 AUD to $24,714 AUD

A
Cheapest Retailer
-
$4,174 AUD
£2,309 GBP
B+
Retailer 2
-
$4,235 AUD
$2,975 USD
View
B+
Retailer 3
-
$7,475 AUD
$5,251 USD
View
B+
Retailer 4
-
$9,614 AUD
$6,753 USD
View
B
Retailer 5
-
$10,387 AUD
$7,296 USD
View
B
Retailer 6
-
$14,263 AUD
$10,019 USD
View
Most Expensive
B
Brilliant Earth
22301283A · Oct 29
$24,714 AUD
$17,360 USD
View
6 more retailers have this diamond
Prices start from $4,174 AUDSave up to $20,539 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
10.35ct Oval
$4,174 AUD