NATURAL SAPPHIRES - 3.74 CARATS - YELLOW TO ORANGE (MIXED HUES)

Quantity: 2 Pcs
Report Number: 2700467
Clarity: Included; Inclusions Are Visible To The Naked Eye And Under Magnification, Typical Of Natural Sapphires With This Clarity Grade.
Measurements: Mixed Sizes
Treatments: Beryllium Diffusion Treatment Identified. The Treatment Involves Diffusion Of Beryllium Into The Corundum To Modify The Gemstone’S Colour.
Origin: Not Reported
Refractive Index: Approx. 1.76–1.77 (Typical For Sapphire)
Specific Gravity: Approx. 3.98–4.05 (Typical For Sapphire)
Spectroscope Analysis: Characteristic Corundum Absorption Features With Treatment-Related Colour Characteristics.
Fluorescence: Variable Fluorescence; Response Depends On Composition And Treatment.
Comments: This Parcel Contains Two Sapphires Displaying Yellow-To-Orange Mixed Hues With Visible Inclusions. The Colour Is Consistent With Beryllium-Treated Corundum.

Conclusion: Two Beryllium-Treated Sapphires With A Combined Weight Of 3.74 Carats Exhibit Yellow-To-Orange Coloration Associated With Beryllium Diffusion Treatment.

Condition: Good - Refer To Images

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488987+79

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