Art Nouveau emerald and diamond ring.
Ref: 14601
Price £4,900
Free Delivery Worldwide
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ART NOUVEAU
Characteristic flowing lines based on natural forms, 1890's-1910. For more information go to Periods section.
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 It is lighter, harder and stronger than gold or silver which it superseded as a setting for diamonds making finer intricate settings possible.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.
ROSE GOLD
A gold of any karat alloyed with copper or copper and silver. To give a rose colour or hue.
STEP CUT
Horizontal, layered facets, as in emerald cut, also called trap-cut.
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.
Shank
The part of the ring that encircles the finger, not including the top piece or head.
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.
EMERALD
Emeralds are a variety of the beryl family, coloured green by trace amounts of chromium and sometimes vanadium. Beryl scores 7.5-8 on the Mohs scale of hardness. Most emeralds are highly included, so more care is recommended when wearing them. The word "emerald" comes from the Greek 'smaragdos' meaning green stone.
