A stunning combination of rare metals. Sintra is made from three separate rings. The pictured ring features two outer rings machined from solid from platinum 950 with a centrepiece made from 18 carat white gold. `

The three rings are permanently bonded together by a sintering process which allows the atoms of the metals to intertwine without melting.

Fine grooves are then machined into the ring using a specialised diamond tipped tool before the ring is hand finished. 

It is available in any combination of metals except titanium. 

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