Art Deco 18ct Gold & Platinum, Three Stone Ruby & Diamond Ring

A smart and stylish 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) More yellow gold ring 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 that was made in the 1920s. It has been clawA precious metal prong used to hold a gemstone in place. More set with a three quarters of a 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 naturalA natural stone is called such because it has not been subjected to any treatments.  More BurmaBurma (modern day Myanmar) is one of most celebrated sources of the gemstone, ruby. Coming out of Mogok, known as the 'Valley of Rubies', the gemstones, along with sapphires and spinels, have been sourced there for at least 1,500 years, and are prized for their luminosity. More rubyOne of the most valuable gemstones on earth. From the corundum family, the red variety being ruby and the blue, sapphire. With the exception of the diamond, corundum is the hardest of the gemstones on the Mohs scale scoring a 9. More with a claw set old mine cutAn 18th, 19th and early 20th century diamond shape, typically cushion or asymmetrical, marked by a small table, a high crown and a large culet. Culets are the small flat facets at the bottom of a stone which appear to the untrained eye as a hole in the middle of the stone. Before the advent of modern machinery which allows for the precise faceting we see tod... 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 on either side. 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 have each been set with two small diamonds within millgrained platinum settings. It would make an ideal engagement or Ruby wedding anniversary ring.