Art Deco 18ct Gold & Platinum, Diamond & Montana Sapphire Octagonal Ring

A good looking 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.
and 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… octagonal ring that was made circa 1920. The top is 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… and the shankThe circle of metal that attaches to the decorative part of a ring and encircles the finger. is 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold. The sapphire is princess cut and was originally mined in Montana USA. Montana Sapphires are lovely stones and vary in colour from an almost electric blue to this colour which has a mauve tint. It would make a lovely engagement ring.