How do I clean my platinum and diamond ring?

Warm water with a mild dish soap and a very soft brush will safely remove daily oils from the platinum surface and diamond facets. Avoid harsh chemical cleaners that might affect older mounting techniques or softer accompanying stones like pearls. Pat the piece dry with a lint-free cloth rather than leaving it to air dry. Periodic professional checks ensure the platinum claws remain tight around the stones.

Can antique platinum rings be resized?

Most platinum bands can be altered by a skilled bench jeweller who understands antique construction methods. The process involves adding or removing a small section of metal from the lower shank. Extensively set eternity rings present greater difficulty for resizing due to the continuous pattern of stones around the band. Solitaires and three-stone rings offer much simpler adjustment options.

How can I tell an Art Deco ring from a mid-century one?

Art Deco rings from the 1920s and 1930s lean towards geometric symmetry, sharp angles, and intricate millegrain decoration. Platinum was heavily favored during this period for its strength in creating lacy, architectural frameworks. Mid-century pieces from the 1950s and 1960s often display softer contours, bolder solitaire mountings, and heavier gold weights alongside platinum tops. These later designs emphasise clean simplicity over complex filigree patterns.