Autore Ruby and Diamond Pendant with South Sea Pearl

18ct white gold, Australian South Sea pearl, ruby and diamond…
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18ct white gold, Australian South Sea pearl, ruby and diamond pendant necklace, Autore, Terminating on a swing-set oval 13.00 mm cultured pearl drop surmounted by a ruby set bell cap, supported from a line of En tremblant flowerheads decorated with radiant, briolette and rose-cut diamonds along with circular-cut rubies between diamond connectors completed by a fine curb chain, the rubies and diamonds together weighing 1.81 carats and 0.86 carat respectively, pendant length approximately 60 mm, circumference approximately 450 mm, signed Autore., accompanied by an Autore certificate of authenticity and pouch.

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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.
  • Rose Cut - A flat based cut for a preious stone, leaving the surface covered with triangular facets, usually 24 in total.

    It was introduced in the 15th century and popular during the 16th and 17th centuries.

    The rose cut was the most popular form of diamond cut until the discovery of the brilliant cut at the end of the 17th century, after which its use declined.
  • En Tremblant - En tremblant is a French term meaning "to tremble". It was first used to describe 18th and 19th century jewellery where parts of diamond set pieces were attached to a trembler to create movement in the jewel when worn. It's most common use was in brooches, especially for jewellery incorporating floral motifs or butterfly or dragonfly wings. There was a revival of the technique in the 1950s and 60s by Bulgari, and their jewellery became very fashionable with Hollywood stars.

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