A very smart Jewellery made in the Art Deco era (1920-1935). brooch that was made circa 1920-1930. It is a stylised bow set with cut and graded Onyx is an opaque black variety of polycrystalline chalcedony quartz. and well matched bright white diamonds which have a total weight of just under three and a half The unit of weight for a diamond or other gemstone and also for a pearl. Abbreviated 'ct', 1 carat is equal to 0.2 grams. In reference to gold, a unit of purity or fineness of gold and gold alloy, expressed as a number out of 24 parts by weight, e.g. '24 carat' signifies pure gold, '18 carat' 18/24th gold in the alloy, et cetera. Also abbreviated as 'c... More.The Derives from the Spanish word 'platina' meaning 'little silver'. Acknowledged since the 1900s, platinum's durability and natural brightness has been and still is today highly treasured A metallic element prized for its rarity, whiteness, high tensile strength and insusceptibility to corrosion, platinum first became widely used in jewellery in the late ninete... More has been worked in a A technique developed in the late 19th century as a textural effect to metal work on the edges or bezels of jewellery. That technique is referred to as millegrain (or mille grain or even milegrain). From the French word mille for a thousand, and from grain as the same meaning in English, it refers to what appears to be thousands of tiny beads upon a metal pr... More pattern which adds to the detail. The millgrain decoration is in the form of tiny bead shapes that are raised using a knurling tool. It is in great condition and is such an eye catcher when worn.
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Art Deco Diamond & Onyx Bow Brooch
|Date & Origin||Art Deco (1920-1935), English|
|Measurements||Length 7.8 cm|
Width 1.3 cm
Diamonds approx total weight 3. 40 carats
|Hallmarks||Unmarked, tested to 15ct gold & platinum|
|Print Out This Item|
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