About Ruby
The red variety of corundum, valued for vivid red colour. Colour, transparency and inclusions vary naturally, giving each specimen its own character.
Stone information
- Mineral or material: Corundum
- Mohs hardness: 9
- Care: Clean with lukewarm water, mild soap and a soft brush or cloth. Avoid harsh chemicals, hard knocks and sudden heat; use ultrasonic or steam cleaning only after professional advice.
- Treatment note: Heating is common; filling and diffusion treatments also exist, so request full disclosure and a report when available.
About the available specimen
This page represents loose, unmounted ruby. Natural colour, inclusions and pattern can vary from one stone to another. We will confirm the exact specimen photograph, carat weight, millimetre dimensions, cut, origin (when supportable), treatment disclosure, laboratory report, price and availability before purchase.
Image note: Gallery photographs are illustrative examples of this gemstone type, not the exact weighed stone offered for sale.
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