Black Floral Necklace by Ikita Elegance

27 to 32 cm, so it sits high on the collarbone

Length decides how this necklace behaves. At 27 to 32 cm the flowers sit just under the base of the neck and the cluster hangs on its own at the centre, above the neckline rather than inside it. The 5 cm extension chain covers the difference between a bare neck and a high collar, which matters more in December than in June.

What the satin ribbon does at the back

The back is flat black satin rather than a chain. It stays put under a collar and does not snag on knitwear, though it will show if you wear your hair up. Against a dark dress that goes unnoticed; against a pale one it becomes part of the look, so it is worth deciding one way or the other before the day itself.

Black lacquer, grey pearls and smoke-grey leaves

The finishes do most of the work here. Five-petal flowers in glossy lacquer, each with a pale rhinestone at its centre, sit against dark metal stems and small etched leaves, while the ribbon behind them stays matt. The grey pearls and the veined, half-translucent leaves hanging from the lowest cluster are what keep the piece from disappearing into a dark dress at a distance.

The case for a dark necklace at a wedding

Black on a wedding guest used to be off the table, and that rule has loosened considerably. On a plum, navy or deep green dress this bib looks deliberate rather than sombre, and it holds its shape in group photographs where a fine chain simply vanishes. The paler pieces in the wedding range are the safer answer when the invitation spells out a dress code.

When the metal tones have to agree

Black is the colour that exposes a mismatch of metal tones fastest: put a warm gold earring next to these dark grey stems and the eye goes straight to the clash. If you are building the look from nothing, sets built as a pair remove that particular decision from the list.

Scratches show faster on gloss black

Gloss black is unforgiving. A hairline mark left by another chain in the same pouch catches the light in a way the same mark on pale metal never would, so this one is better stored flat and on its own. The hanging leaves are the other thing to watch: they sit on fine stems that bend long before they snap, so lift the necklace by its ribbon rather than by the bib.