There’s a quiet confidence to a piece like this: a streamlined Art Deco bar brooch, measuring a refined 5.50 cm, crafted in yellow gold testing between 14ct and 18ct by XRF analysis. The front displays a subtle layer of fine white metal, its untarnished surface suggesting a high‑quality finish chosen to complement the single diamond without competing with it (please see valuation for more information).

Set at the centre is a glittering old European‑cut natural diamond, Gemologist estimated at 0.27ct, bright and lively, the sort of stone that catches the light with that unmistakable old‑world charm. It’s the perfect punctuation mark on a jewel designed for clean lines and quiet sophistication.

The brooch closes with a trombone clasp — that clever little mechanism named after the instrument, requiring a gentle push and pull. It is a clasp beloved by European makers of the early 20th century, compact, secure, and wonderfully satisfying to operate. You feel its age in the best possible way: not fragility, but craftsmanship.

This is a piece that slips effortlessly into modern life. Worn as a rider’s stock pin, it would look razor‑sharp and utterly classic. On a tailored business suit, it becomes a subtle signature — a quiet declaration of taste. And for collectors, it offers something even rarer: a jewel that is both beautiful and genuinely useful, a piece of history that still performs its function flawlessly.

• Timeless versatility — It works with equestrian attire, business wear, evening dress, or even as a decorative fastening on knitwear or scarves.

• Wearable heritage — You’re not just wearing a jewel; you’re wearing 100 years of design history and craftsmanship.

• Investment in quality — Antique gold and old‑cut diamonds hold their value beautifully, especially in original condition.

• Sustainable luxury — Choosing antique jewellery is one of the most environmentally responsible ways to enjoy fine adornment.

• A signature detail — A bar brooch adds polish and individuality without overwhelming an outfit.