This splendid vintage Art Nouveau design ring features square-shaped ±0.40ct Sapphires decorated with Single Cut Diamonds and Old European Cut Diamonds crafted in 18ct.
Materials: Diamond, Sapphire, 18ct.
Size: 17.73 NL / 55.7 FR / 7½ US / O½ UK, sizeable (Within reason. Contact seller for information).
Dimensions: H 0.5 x L 1.4 x W 0.5 cm.
Weight in grams: 2,9.
Condition: Very good condition – slightly used with small signs of wear.
Art Nouveau (Modern Style) or Jugendstil jewelry features natural designs such as flowers and butterflies and were generally considered "romantic". This style was popular from about 1895 until World War I. The style actually began around 1875 in Paris, and its influence went throughout the western world. The style died out by the end of World War I but has often been revived. Art Nouveau jewelry follows curves and naturalistic designs, especially depicting long-haired, sensual women, sometimes turning into bird-like or flower-like forms.
The most popular form of sapphire is blue sapphire, which is known for its medium to deep blue colour and strong saturation. Fancy sapphires of various colours are also available. In the United States, blue sapphire tends to be the most popular and most affordable of the three major precious gemstones (emerald, ruby, and sapphire).
Single Cut Diamond
A single cut diamond has a large table and an octagonal girdle. The culet, or bottom edge of the diamond, may be pointed or it may be flat. A single cut diamond usually has 18 facets. The single cut is an extremely old diamond cut dating to the 1300s.
Old European Cut Diamond
Like the old mine cut, diamonds cut into this shape possess a high crown, small table, and a large, flat culet. However, the old European cut has a circular girdle. With 58 facets, it is the predecessor of today's modern round brilliant cut. The Old European cut dates to the 1800s and was used mostly during the Victorian, Edwardian, and Art Nouveau eras.
Because of the softness of pure (24k), it is usually alloyed with base metals for use in jewelry, altering its hardness and ductility, melting point, color and other properties. Alloys with lower carat rating, typically 22k, 18k, 14k or 9k, contain higher percentages of copper or other base metals or silver or palladium in the alloy. Copper is the most commonly used base metal, yielding a redder color.