4.29 ct blue oval sapphire

4.29 ct Blue Oval Sapphire

P.O.A.

A lustrous clean pair of gemstone with so much to give. The deep luscious blue colour is screaming take me plus the classic shape that fits a metal engagement ring.

Availability:
One of a kind
Ref name:
TW476

In stock

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4.29 ct blue oval sapphire4.29 ct blue oval sapphire
4.29 ct blue oval sapphire

DESCRIPTION


Ref:
TW476
Carat:
4.29 ct
Cut:
Oval
Colour:
Blue
Treatment:
Heat
Certificate:
In House Grading
Measurement:
8.5 x 7.0
To Find Out More About How We Grade Gemstones, Click Here

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After Care

Sapphires are on the whole, very durable stones and are safe to use in jewellery dips and ultra-sonic cleaners, however avoid Using heat with untreated stones as this could affect the colour and future recertification. Avoid coating with borax before applying heat as borax may eat into sapphires

More care is needed with treated stones.

Sapphires can be treated to improve colour by a process called diffusion. Older stones treated in this way may only have treatment near the surface, so if you become aware that you or a customer has a stone treated in this way avoid repolishing.

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