This item has been sold, and the description, image and price ($US) are for reference purposes only.
18ct pink gold, Mother-of-pearl and diamond 'Serpenti' ring, Bulgari, modelled as a flexible coiled band, the tapering snake scales alternately embellished with mother-of-pearl and brilliant-cut diamonds, the diamonds together stated to weigh 0.84 carat, size large (P), flexible, signed Bulgari, numbered FXN89P, accompanied by a facsimile Bulgari invoice and box.

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  • Carat - A carat (abbreviated "ct") is a unit of measurement used to describe the weight of a diamond or other gemstone, and separately is a unit of measurement used to describe the weight of precious metals such as gold,.

    For gemstones, one carat is equal to 0.2 grams or 200 milligrams. The weight of a diamond is one of the Four Cs (along with cut, colour, and clarity) that are used to determine a diamond's value.

    It is important to note that a diamond's weight does not necessarily correspond to its size. A diamond's cut, which affects how well it reflects light, can make a diamond of a lower weight appear larger than a diamond of a higher weight. Additionally, the carat is not the only factor to determine the value of a diamond, other factors such as clarity, colour and cut are important too.

    In the gold industry, the purity of gold is measured in carats (abbreviated "ct"), with 24 karats being pure gold and lower carat numbers indicating a lower purity level. So, for example, 18 carat gold is 18/24 or 75% pure gold, and 12 carat gold is 12/24 or 50% pure gold.
  • Mother-Of-Pearl - Mother-of-pearl, technical name "nacre", is the inner layer of a sea shell. The iridescent colours and strength of this material were widely used in the nineteenth century as an inlay in jewellery, furniture, (especially papier mache furniture) and musical instruments.

    In the early 1900s it was used to make pearl buttons. Mother-of-pearl is a soft material that is easily cut or engraved.

    Nowadays it is a by-product of the oyster, freshwater pearl mussel and abalone industries.

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18ct pink gold, mother-of-pearl and diamond 'Serpenti' ring,…