Old Cut Diamond Three Stone Cross/Over Ring in Platinum.
Ref: 13526
Old cut diamond three stone cross/over ring in
platinum. Three
cushion shaped old cut diamonds set across the top in eight claw settings. Each shoulder is set with three eight cut diamonds with a combined weight of 0.06
ct. Mounted and set in platinum to a lightly tapered
shank with champfered top, circa 1920.
Price £5,900
Free Delivery Worldwide
Interest
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CUSHION
A square or rectangular stone with rounded corners and deep crown facets, found almost exclusively in antique jewellery.
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 It is lighter, harder and stronger than gold or silver which it superseded as a setting for diamonds making finer intricate settings possible.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.
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.
