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Radiant|Lab Grown|IGI

0.51ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG483195918

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG483195918

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Oct 23, 2026 at $375 AUD
$375 AUDlast known price
€251 EUR

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant 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 LG483195918 or 483195918. 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

0.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483195918
Dimensions5.25 × 3.99 × 2.90 mm
L/W Ratio1.32
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
5.25 mm3.99 mm0.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483195918
Side View
Table 65.5%Crown 45.6°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 72.7%

Caratlytics Score

Price History

Last verified: Oct 23
Current: $465 AUD|Low: $366 AUD|High: $777 AUD|Avg: $500 AUD
Loose Grown Diamond
Yorxs
October 18, 2026
Yorxs$375 AUD
Loose Grown Diamond$465 AUD

22 data points across 2 retailers

Historical Listings

Best Price
Yorxs
264107754 · Oct 23
$375 AUD
€251 EUR
View
Loose Grown Diamond
483195918 · May 31
$465 AUD
$327 USD
View

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