Art Deco Platinum, Cabochon Sapphire & Diamond Three Stone Ring

An unusual 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 ring that was made in the 1920s. There is a central mid to deepish blue colour cabochonA polished, not faceted, dome shaped stone - either round or oval with a flat polished base, primarily used as a cut for phenomenal stones such as cat's eyes and stars.
More cut sapphireBlue is the best-known colour for this gemstone but it can be found in all colours of the spectrum. After diamond, sapphire is the hardest gemstone.
More with a large sixty five pointA unit of weight for a diamond, being one-hundredth of a metric carat. It is used for weights that are decimal fractions of a carat, and all figures after the second decimal point are, in the diamond and jewellery trade, generally discarded. More transition cutDirect descendants of the Old European Cut, this progressive cuts saw an evolution toward a larger table, a lower crown, and a smaller culet than previous cuts. However, unlike later brilliants, the girdles of these stones remained unfaceted. Considered a precursor to both the Modern Round Brilliant and the Ideal cuts. 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. There are further French cut diamonds set in to 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. 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 quite dramatic with angled shoulders and clawA precious metal prong used to hold a gemstone in place. More set stones. It would make an amazing engagement ring.