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Oval|Lab Grown|IGI

10.03ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG627400107

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG627400107

Diamond specifications and retailer prices

From $2,414 AUD
$1,696 USD
As of October 29, 2026
Save $18,183 AUD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,597 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.03ct lab-grown oval diamond

This 10.03ct 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 LG627400107 or 627400107. Listed at 17 retailers as of October 29, 2026, with prices from $2,414 to $20,597, a $18,183 spread on the same certified stone. Brilliant Earth lists it at $20,597. 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

10.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627400107
Dimensions17.34 × 11.82 × 7.55 mm
L/W Ratio1.47
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
17.34 mm11.82 mm10.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627400107
Side View
Table 58.0%Crown 37.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.9%

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: $20,597 AUD|Low: $2,319 AUD|High: $24,155 AUD|Avg: $5,170 AUD|-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
Retailer 16
October 30, 2026
Retailer 10$2,414 AUD
Retailer 2$2,507 AUD
Retailer 14$2,628 AUD
Retailer 5$2,704 AUD
Retailer 7$2,801 AUD
Retailer 11$2,801 AUD
Retailer 4$3,039 AUD
Retailer 8$3,580 AUD
Retailer 9$3,970 AUD
Retailer 16$4,395 AUD
Retailer 3$4,400 AUD
Retailer 15$4,407 AUD
Retailer 13$5,249 AUD
Retailer 6$8,101 AUD
Retailer 12$11,581 AUD
Brilliant Earth$20,597 AUD

40 data points across 16 retailers

17 retailers$2,414 AUD to $20,597 AUD

A
Cheapest Retailer
-
$2,414 AUD
$1,696 USD
A
Retailer 2
-
$2,507 AUD
£1,387 GBP
View
A
Retailer 3
-
$2,628 AUD
$1,846 USD
View
A
Retailer 4
-
$2,704 AUD
$1,900 USD
View
Final sale: no returns
Retailer 5
-
$2,801 AUD
$1,968 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$2,801 AUD
$1,968 USD
View
A
Retailer 7
-
$3,039 AUD
$2,135 USD
View
A
Retailer 8
-
$3,580 AUD
$2,515 USD
View
A
Retailer 9
-
$3,970 AUD
£2,196 GBP
View
A
Retailer 10
-
$4,395 AUD
$3,088 USD
View
Retailer 11
-
$4,400 AUD
$3,091 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,407 AUD
€2,949 EUR
View
A
Retailer 13
-
$5,249 AUD
$3,688 USD
View
B
Retailer 14
-
$8,101 AUD
$5,691 USD
View
B
Retailer 15
-
$9,828 AUD
$6,904 USD
View
B
Retailer 16
-
$11,581 AUD
$8,136 USD
View
Most Expensive
B
Brilliant Earth
20602774A · Oct 29
$20,597 AUD
$14,470 USD
View
16 more retailers have this diamond
Prices start from $2,414 AUDSave up to $18,183 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
10.03ct Oval
$2,414 AUD