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Round|Lab Grown|IGI

0.57ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG500143720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500143720

Diamond specifications and retailer prices

From $471 AUD
As of November 5, 2026
Save $1,453 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,393 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 0.57ct lab-grown round diamond

This 0.57ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500143720 or 500143720. Listed at 11 retailers as of November 5, 2026, with a 308% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.57
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500143720
Dimensions5.33 × 5.28 × 3.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.33 mm5.28 mm0.57 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500143720
Side View
Table 57.5%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,393 AUD|Low: $463 AUD|High: $2,427 AUD|Avg: $1,025 AUD|-1.3%
MOH London
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
November 5, 2026
Retailer 2$471 AUD
Retailer 9$483 AUD
Retailer 12$540 AUD
Retailer 3$560 AUD
Retailer 10$599 AUD
Retailer 14$599 AUD
Retailer 5$670 AUD
Retailer 11$964 AUD
Retailer 7$1,087 AUD
Retailer 4$1,141 AUD
Retailer 6$1,253 AUD
Retailer 8$1,756 AUD
Retailer 13$1,924 AUD
MOH London$2,393 AUD

19 data points across 14 retailers

11 retailers$471 AUD to $1,924 AUD

B+
Cheapest Retailer
-
$471 AUD
B+
Retailer 2
-
$483 AUD
View
B+
Retailer 3
-
$540 AUD
View
Final sale: no returns
B+
Retailer 4
-
$560 AUD
View
B+
Retailer 5
-
$599 AUD
View
Retailer 6
-
$599 AUD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$964 AUD
View
Retailer 8
-
$1,087 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$1,756 AUD
View
B
Retailer 10
-
$1,924 AUD
View
Most Expensive
MOH London
LG500143720 · Nov 5
$2,393 AUD
£1,319 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $471 AUDSave up to $1,453 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.

B+
0.57ct Round
$471 AUD