French Import Early 20th Century 18ct Gold, Rose Diamond & Sapphire Oval Cluster Ring

An unusual 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 rose 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… clusterA group of small diamonds or colourful gemstones grouped together to form a cluster, mimicking the look of a larger gem. Often this group can surround a larger center stone. ring that was made circa 1900-1910. It is markedA small hallmark or punchmark either on the inside or outside of the shank which indicates the metal is platinum, gold or silver. If the metal is gold, it could also indicate the carat, e.g. 18 carat gold. with an owl or hibou and the mascaron, a bearded man’s head, which are the French import marks for 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold. The clawA precious metal prong used to hold a gemstone in place. set sapphire is a wonderful bright royal blue colour and is surrounded by twelve claw set rose cutThe ‘rose cut’, defined by its rounded outline and multiple triangular facets, is one of the earliest diamond cuts, with its origins in sixteenth century Europe. A rose cut typically has a flat base and anywhere from six to twenty four facets, the latter known as a full rose cut. diamonds with a further rose cut diamond set in to each of 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.. A lovely look when worn.