The deep, matte black of black onyx gives this solitaire a focused, striking character. The cabochon smooths the stone's surface to a mirror finish - when light falls at an angle, it draws a subtle, silky sheen from the darkness, while the form keeps the eye undistracted. The minimalist setting pairs the raw gleam of the metal with the absolute depth of the stone, creating a self-assured gesture on the hand. In many cultures, black onyx has been associated with strength and perseverance - and that symbolism still makes it the choice of those who value boldness without ornamentation.

The colour and clarity of this particular piece were the deciding factors - a uniform, intense black with no discolouration, which enhances the value of the cabochon. Good black onyx cabochons of this purity are becoming increasingly rare, so the price here remains exceptionally reasonable. The ring is made from refined sterling silver 925, plated with rhodium - the rhodium protects the metal against tarnishing and blackening, which means less daily maintenance. The clean alloy, free from sensitising additives, does not irritate sensitive skin. The piece is signed with the French maker's mark, attesting to the origin of the silver.

In summer, this solitaire works beautifully with a flowing linen dress in off-white or pale ecru - the black of the onyx contrasts sharply with light fabrics and catches the eye with every movement of the hand. It looks equally good with a loose sand-coloured shirt or a light beige summer blazer, where a single dark accent on the finger brings the whole look together.