Art Deco 14ct White Gold & Platinum, Square Diamond Ring with Diamond Set Shoulders

A very unusual Art DecoA movement within the arts between the two Great Wars (1920-1935) across Europe and the US, characterized by its clean, geometric designs. The aesthetic was intended to celebrate an age of progress and the modernity of the machine. More ring that is typical of the 1920s with its geometric design. It is 14ct58.5% pure gold (or 585 parts pure gold to 415 parts other metals) More white goldWhite gold is an alloy of gold and at least one other white metal - most often nickel or palladium (both of which act as a bleaching agent to reduce the natural yellow colour of the gold). More with a platinumDerives 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 top. The 1.30 caratThe 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 old European cutGemstones cut in this style have a smaller table than the round brilliant and the overall depth is greater. This style of cutting was popular in the 19th Century and is the direct predecessor to the modern round Brilliant Cut. Similar to the Old Mine Cut. More diamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use... More is enclosed in a millgrained square setting with punch work detail on the edges. The shouldersThe point on a ring where the central section meets the shank or band, often carved, decorated or inlaid with small diamond accent stones. More are triangular shaped and have been set with small diamonds within pierced and millgrained settings. The galleryA strip of metal that is pierced with a continuing pattern, often framing vertical lozenge-shaped openings within an upper and lower band. Such strips are used by jewellers to make a claw setting for a finger ring after slicing the strip horizontally so that it becomes a series of points which hold the stone. The complete gallery is called 'closet' and the h... More is a lovely intricate design that was popular in America at that time so it has led me to believe that this ring is American. It would make an amazing engagement ring