A vintage gem-set cocktail ring by Georg Hornemann, the stylised design having a marquise cut diamond offset by three fluted tear drop panels of coral, turquoise and lapis lazuli with further diamond detail throughout, mounted in 18ct white gold, signed, ring size K. Condition: ring presents in good condition. Turquoise has a small fracture/chip and has been glued back into setting. Marquise diamond is colour F, clarity Vs. Single cut diamonds of very good commercial quality.
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- Coral - Coral used in jewellery. Coral is a material that is commonly used in jewellery making. It is made up of the skeletons of tiny marine animals called coral polyps. There are many species of coral, but only one group, Corallium, is suitable for carving, and thus can be used in jewellery manufacture. These have a deep red or pink orange skeleton and are known as "noble coral" or "precious coral".
- Lapis Lazuli - Lapis lazuli is a semi-precious deep blue coloured stone, sometimes with gold inclusions, that has been used for thousands of years for jewellery, decorative items and decoration.
It is mined in Afghanistan, Siberia, Chile, USA and Burma. The mines in north-eastern Afghanistan are the largest source of lapis lazuli, and have been operating for over 6,000 years.
They were the source of the stone for the ancient Egyptian, Greek and Roman civilsations.
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