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Round|Lab Grown|IGI

10.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG653426153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653426153

Diamond specifications and retailer prices

From $3,056 AUD
$2,147 USD
As of October 29, 2026
Save $12,174 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,230 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.03ct lab-grown round diamond

This 10.03ct lab-grown round 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 LG653426153 or 653426153. Listed at 18 retailers as of October 29, 2026, with prices from $3,056 to $15,230, a $12,174 spread on the same certified stone. Brilliant Earth lists it at $15,230. 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 angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653426153
Dimensions13.86 × 13.77 × 8.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.86 mm13.77 mm10.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653426153
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $15,230 AUD|Low: $2,934 AUD|High: $15,771 AUD|Avg: $5,286 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$3,056 AUD
Retailer 2$3,174 AUD
Retailer 5$3,325 AUD
Retailer 6$3,422 AUD
Retailer 7$3,546 AUD
Retailer 11$3,546 AUD
Retailer 4$4,216 AUD
Retailer 16$4,569 AUD
Retailer 9$4,860 AUD
Retailer 14$4,874 AUD
Retailer 15$5,188 AUD
Retailer 3$5,541 AUD
Retailer 12$5,626 AUD
Retailer 8$5,873 AUD
Retailer 13$11,131 AUD
Brilliant Earth$15,230 AUD

43 data points across 16 retailers

18 retailers$3,056 AUD to $15,230 AUD

A
Cheapest Retailer
-
$3,056 AUD
$2,147 USD
A
Retailer 2
-
$3,174 AUD
£1,756 GBP
View
Retailer 3
-
$3,325 AUD
$2,336 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$3,422 AUD
$2,404 USD
View
Final sale: no returns
A
Retailer 5
-
$3,546 AUD
$2,491 USD
View
Retailer 6
-
$3,546 AUD
$2,491 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,216 AUD
$2,962 USD
View
A
Retailer 8
-
$4,569 AUD
$3,210 USD
View
B+
Retailer 9
-
$4,860 AUD
£2,689 GBP
View
B+
Retailer 10
-
$4,874 AUD
$3,424 USD
View
B+
Retailer 11
-
$5,188 AUD
$3,645 USD
View
Retailer 12
-
$5,541 AUD
$3,893 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$5,626 AUD
€3,764 EUR
View
Retailer 14
-
$5,686 AUD
$3,995 USD
View
Price last confirmed 16 days ago
B
Retailer 15
-
$10,054 AUD
$7,063 USD
View
B
Retailer 16
-
$11,131 AUD
$7,820 USD
View
B
Retailer 17
-
$12,395 AUD
$8,708 USD
View
Most Expensive
B
Brilliant Earth
20601832A · Oct 29
$15,230 AUD
$10,700 USD
View
17 more retailers have this diamond
Prices start from $3,056 AUDSave up to $12,174 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 Round
$3,056 AUD