An unusual and rare 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) More gold GeorgianJewellery made in the Georgian era (1714-1830). More ring that was made circa 1800-1820. It has a rectangular 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 set in a silverA metallic element which is malleable and ductile, and white in colour, making it ideal for use in jewellery. It is usually mixed with copper to improve its hardness. More pinch collet mount, with a small rectangular emeraldOne of the four ‘precious’ stones. An intense, deep green is the most desirable colour for emeralds. Flaws and cloudiness (‘jardin’) are very common in emeralds, so stones are often oiled, irradiated, and dyed to improve their look. Synthetic emeralds have fewer imperfections and are hard to set apart from natural stones. Emeralds belong to the beryl... More on either side set in gold pinch collet settings. The shankThe circle of metal that attaches to the decorative part of a ring and encircles the finger. More has decorative repousséThe raising of a pattern in relief on metal by beating from the under side. More work that is typical of rings that were made in the early 1800s }