Cathedral and hidden halo

Arch: cathedral knife-edge with hidden halo

A round on a knife-edge band, arched shoulders and a hidden halo.

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Stone	Round diamond
Shown at	1.40 ct
Metal	Platinum
Setting	Prongs
Halo	Hidden halo
Band	Knife edge, 2.0 mm
Sits	at a medium height

A design from the HerDreamRing catalog, modeled in 3D. Stone size is shown at the carat weight in the table; real stones and settings vary by jeweler.

What this ring is made of

Round: The classic brilliant cut, and the shape that returns the most light. It hides the least and costs the most per carat, because more of the rough stone is lost in cutting it.
Prongs: Small metal claws hold the stone from above. They let in the most light and show the most of the stone, and they should be checked by a jeweler every year or so.
Hidden halo: A ring of small diamonds set under the center stone, visible from the side but not from above. From the top it looks like a plain solitaire.
Cathedral shoulders: Arches rise from the band to cradle the stone, lifting it and framing it from the side. They add height, so check how the ring sits against a glove or a coat sleeve.
Platinum: Platinum is naturally white, dense and hard-wearing, and it does not need replating. It costs more than white gold and picks up a soft, frosted patina over time that some people love and others polish away.

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