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Pure 24 Karat gold bars, and stocks of pure silver and copper are the basic materials. Pure gold and other precious metal stock can be acquired from anywhere in the world.
Component parts, or findings, are carefully stamped, one at a time, out of the rolled gold sheets using patterns and dies.
Lost wax casting begins with an original metal model, often silver, of a jewelry item. A vulcanized rubber mold is made from the metal model and is reusable for making a design over and over. A wax model is then made when hot molten wax is injected into the mold.
Finally, a careful inspection completes the process that began with pure 24 Karat gold and finished with a truly unique and beautiful, handcrafted jewelry item.
The pure 24 Karat yellow gold is alloyed with exact percentages of other metals to achieve a more durable karat quality of 10K, 12K or 14K, and used for ring shanks and the base of other items. The different colors of gold used for leaves and other details are made when the pure 24 Karat yellow gold is alloyed with copper to achieve the traditional 12 karat pink (or red) gold, and the gold is combined silver to create the 12 karat green. The resulting gold bars are then readied for rolling.
Some manufacturers again polish or tumble the assembled items, while others do not and polish using different methods. The jewelry is cleaned in a mild acid bath, then inspected using high quality standards. Then, each piece is electro-plated with 24 Karat yellow gold. A finishing technique known as "wriggling" removes the plating from the pink and green leaves, creating a textured or frosty effect.
The cast pieces are then polished by one of two methods, either traditional hand polishing using a wheel, or a process called "tumbling." Many castings at one time are placed in a tub or cylinder with different sizes and shapes of metal, rubber or other materials in a liquid solution, then agitated or rotated until they have been polished smooth. These smooth, cast pieces are then ready for the stamped components, like leaves and grapes, to be mounted on them.