Belle Époque Diamond Ring in Platinum and Gold, Circa 1905.
Ref: 13833
Belle Époque
diamond ring in
platinum and gold, circa 1905. Larger round
old cut diamond to top and bottom in claw settings, with an approximate total weight of 0.70
ct. Diamond set bow, twenty-two
rose cut stones throughout, with a smaller round old cut diamond to centre all in
millegrain settings, 0.28ct approximate combined weight. Mounted and set in platinum and yellow gold.
Price £4,400
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MILLEGRAIN
A type of setting for stones in which tiny beads of the metal are raised to grip the girdle and so enhance the sparkling effect.
OLD CUT DIAMOND
Refers to a stone cut with a circular shape and large CULET. These stones were cut to maximise light return in low light conditions predominantly prior to 1910. Also called an Old European Cut.
PLATINUM
Platinum is the hardest precious metal. It is lighter, harder and stronger than gold or silver which it superseded as a setting for diamonds making finer intricate settings possible. Platinum was first hallmarked in the UK in 1975.
ROSE CUT
A method of cutting stones dating from the mid-seventeenth century. The stone has a flat base and rises to a faceted pointed top. The diamond is cut with 24 triangular facets in the shape of a hemisphere. In all seven principal variations of the rose cut the facets are hexagonally arranged and the base of the stone is flat.
Diamond
Diamond is the hardest of all gemstones (and the hardest naturally occuring mineral on earth)with a score of 10 on the Mohs scale. The word comes from the Greek word 'Adamas' meaning invincible. The diamond has been a highly prized gemstone for the last three thousand years.
CTIn reference to gemstones, an abbreviation of carat, a unit of weight. One carat is equal to 0.20 grams.
In reference to gold, also an abbreviation of carat, 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.
Originally derived from the carob seed, called quirat in Arabic, a seed of naturally uniform weight.
