How do I care for antique amethyst jewellery?

Clean these pieces gently with a soft cloth and warm soapy water, avoiding harsh chemical dips that might damage softer stones or enamel work. Store them separately in lined boxes to prevent scratching between the softer pearls and harder amethysts or diamonds.

Can I wear these antique necklaces daily?

These items require gentle treatment due to their delicate gold or silver wirework and seed pearl settings. Reserve them for occasional wear to preserve the antique materials. Particular care is needed with pieces containing plique a jour enamel, as the openwork cells are fragile.

How do I distinguish art nouveau from arts and crafts pieces?

Art nouveau designs emphasise asymmetric, whiplash curves and stylised floral motifs inspired by nature. They often incorporate enamelling and faceted gemstones. Arts and crafts pieces tend to highlight hand-hammered metal textures, visible construction marks and cabochon stones rather than fluid lines.

What gold purities should I expect to find?

Jewellery from this era commonly uses nine carat or fifteen carat gold, alongside sterling silver and silver gilt. Twelve carat yellow gold also appears in specific continental or transitional pieces. Lower or higher gold purities reflect the manufacturing standards and regional hallmarking practices of the period.