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  2. Stonesetting - Wikipedia

    en.wikipedia.org/wiki/Stonesetting

    The earliest known technique of attaching stones to jewelry was bezel setting. A bezel is a strip of metal bent into the shape and size of the stone and then soldered to the piece of jewelry. The stone is then inserted into the bezel, and the metal edge of the bezel pressed over the edge of the stone, holding it in place.

  3. Bezel (jewellery) - Wikipedia

    en.wikipedia.org/wiki/Bezel_(jewellery)

    Bezel settings use a type of elevated collar which wraps the rim of the diamond in a complete metal edging. This type of diamond ring setting is the most secure fastener for the stones. The bezel setting also protects the diamond better than other types of settings, such as the prong setting. A flush setting for diamond rings is a variation on ...

  4. Prong setting - Wikipedia

    en.wikipedia.org/wiki/Prong_setting

    A prong set diamond in a gold ring.. Prong setting or prong mount refers to the use of metal projections or tines, called "prongs", to secure a gemstone to a piece of jewelry.A prong setting is one component of what is known to jewelers as a head, a claw-shaped type of binding (typically three, four, or six individual prongs per head) that is welded or soldered to a jewelry item to mount (or ...

  5. Medieval jewelry - Wikipedia

    en.wikipedia.org/wiki/Medieval_jewelry

    The main commissions for gold work and jewelry came from the Court or the Church. [18] As such, much of the jewelry was very religious, involving ornate crosses and depictions of the afterlife or of saints' lives. [19] The Byzantines excelled in inlaying and their work was enormously opulent, involving precious stones, glass and gold. [20]

  6. Gemology - Wikipedia

    en.wikipedia.org/wiki/Gemology

    Gemstones are basically categorized based on their crystal structure, specific gravity, refractive index, and other optical properties, such as pleochroism. The physical property of "hardness" is defined by the irregular Mohs scale of mineral hardness. Gemologists study these factors while valuing or appraising cut and polished gemstones.

  7. Granulation (jewellery) - Wikipedia

    en.wikipedia.org/wiki/Granulation_(jewellery)

    There are three basic techniques that may be used to attach granules to a metal surface: hard soldering, fusing and colloidal soldering. The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of ...

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